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We've indexed our most recent videos below
»
Emergent Properties | #Biology
»
Find Endpoint of Line Segment when Given the Midpoint
»
PET Scan | How It Works | Animation
»
Number of Binomial Trials We Can Expect Before a Success
»
The Five Number Summary | Constructing Box-and-Whisker Plot
»
Computing Binomial Probabilities
»
Binomial Probability (Examples)
»
Probability of Rolling a 7 | Binomial Experiment | Craps Game
»
Using Expected Value in Business
»
Expected Value and Standardized Tests
»
What is the Area of the Region Shaded in Red? 3 Circles
»
The Expected Value of a Roulette Wheel
»
Computing the Probability of the Intersection of Events
»
Determining Whether Events Are Independent or Dependent
»
Determining the Fair Price of a Lottery Ticket
»
Tree diagram to find the probability (Part 2)
»
A Frog Falls Into a Pit | Days to Escape Solution
»
Volume and Surface Area of a Cone
»
The Fibonacci Sequence and the Golden Ratio
»
Testing the Divisibility of a Number (8 Techniques)
»
Finding Prime Numbers (Sieve of Eratosthenes Method)
»
Modulo-m Systems Explained
»
Understanding Non-Base 10 Systems (Octal, Hexadecimal, Binary)
»
North American Bird Sounds | Compilation
»
Quarter Circle Geometry Puzzle | Find The Area
»
Understanding Non-Base 10 Systems (Part 1)
»
Using Napier's Bones to Multiply
»
A Timeline of the Teeth
»
Multiplying Using the Galley Method
»
Mayan Numeration System
»
Babylonian Numeration System
»
Write Numbers in Chinese | Chinese Numeration System
»
Roman Numeration System
»
Egyptian Numeration System
»
Housing ratio | Loan-to-value ratio | Debt-to-income ratio
»
Magic Math - 1089! (Trick Explained)
»
Distinguishing Between Equal and Equivalent Sets
»
Finding the Cardinal Number of a Set
»
Inductive versus Deductive Reasoning
»
Psychic Math Trick Explained
»
Calculating Server Tip Quickly Using Mental Math
»
Trigonometry Proof - Grade 11 (Hard)
»
The Wilcoxon Rank-Sum Test for Independent Samples (Example 2)
»
The Wilcoxon SignedRank Test for Dependent Samples (Example 2)
»
The Kolmogorov-Smirnov Goodness-of-fit Test
»
Can You Solve The Impossible Sum Puzzle?
»
9-31/3+1 = ? (Can You Solve It?)
»
Theil's Method to Estimate Slope and Intercept (by hand)
»
The Friedman Two-Way Analysis of Variance by Ranks
»
Calculating Spearman's Correlation Coefficient (By Hand)
»
Bonferroni's Method for Pairwise Multiple Comparisons
»
The Kruskal Wallis Test (By Hand)
»
Eye Test - Can You Find the Hidden Numbers in this Image?
»
The Wilcoxon Rank-Sum Test for Independent Samples
»
The Wilcoxon SignedRank Test for Dependent Samples
»
Ways to Count with Your Fingers
»
Using the Sign Test For Dependent (Paired) Samples
»
Optical Illusion: How Many Pencils Do You See?
»
90% Fail to Answer This Correctly! (Math Puzzle)
»
Hypothesis Testing - T-Test, Paired, Dependent Data (Example 2)
»
Linear Regression: Tests and Confidence Intervals
»
Viral Math Problem | Solved Using Algebra
»
Iceberg Water Puzzle: Will the Water Level Change?
»
Mr. Smith Had Four Daughters (Riddle Solved)
»
Testing the Significance of the Correlation Coefficient (r)
»
Two-Way ANOVA Testing
»
Repeated Measures Analysis of Variance (ANOVA)
»
The Tukey Procedure with ANOVA Test
»
Using the Combined Gas Law (Question 2)
»
Calculating Eta-Squared () After AVOVA Test
»
The Scheff Procedure with ANOVA Test
»
ANOVA Testing (Given Mean and Standard Deviation; Question 2)
»
One-Way ANOVA Testing (Question 1)
»
Calculating Conditional Probability
»
Compute Probabilities with Combinations (Part 2)
»
Determining Probability Using Venn Diagrams
»
Applications of Arithmetic Sequences and Series
»
Determining If a Sequence is Geometric
»
Applications of Geometric Sequences and Series
»
Determining Probability Using the Additive Rule
»
Top 5 Health Benefits of Goji Berries
»
Graphing a Nonlinear Inequality in Two Variables
»
Determine If an Ordered Pair Is a Solution to a System of Inequalities
»
Solving Applied Problems Using a System of Nonlinear Equations
»
Finding the Intersection of a Circle and Parabola Algebraically
»
Solving a System of Logarithmic Equations
»
Finding the Intersection of a Circle and Line Algebraically
»
Using Parametric Equations in the Real World
»
Convert Circle / Ellipse Equation into Parametric Equations
»
Determine Parametric Equations from a Single Rectangular Equation
»
Convert Parametric Equations to Rectangular Using Trig. Identities
»
Convert Parametric Equations to Rectangular and Sketch
»
Counting to Ten with Fingers (Toddlers)
»
Study Force Live Stream
»
Converting a Conic Section Equation from Polar Form to Rectangular Form
»
Determining Polar Equation of a Conic Given the Eccentricity and Directrix
»
Identifying Conic Sections Given in Polar Form
»
Solving Applied Problems Involving Hyperbolas
»
Graph Parametric Equations Using a Table
»
Sketching the Graph of a Hyperbola
»
Solving Applications Involving Work
»
Solving Applications Involving Forces on an Inclined Plane
»
Understanding Static Equilibrium Using Force Vectors
»
Decomposing a Vector into Two Orthogonal Vectors (Vector Projection)
»
Determine if Vectors are Parallel or Orthogonal (Dot Product)
»
Why Vectors are Written in Terms of i and j
»
Write Equation of a Parabola Given its Focus and Directrix (Vertical Axis)
»
Converting Complex Numbers from Rectangular to Polar Form (Explained)
»
Converting a Complex Number from Polar Form to Rectangular Form
»
Solve Word Problems Involving the Cosine Law (Question 4)
»
Trigonometry Problems Involving Two Right Triangles (Example 3)
»
Calculating the Osmolarity of a Solution (Question 2)
»
Solve Angle of Elevation Problems in Right Triangles (Part 2)
»
10 Health Benefits of Sumac Spice
»
Solving Unusual Types of Trigonometric Equations
»
Solving Trigonometric Equations That Are Quadratic in Form
»
Verify Identities Using the Product-to-Sum Formulas
»
Understanding the Product-to-Sum Formulas
»
Multiplying by Conjugates to Verify Identities
»
Find the Exact Value Using Cosine Sum-Difference Formula
»
Resistivity: Find Diameter and Length of Copper Wire
»
Calculate Angular Velocity and Linear Velocity (Part 2)
»
Calculate Angular Velocity and Linear Velocity (Part 1)
»
Classifying Triangles
»
Classifying Triangles
»
3 Common Unit Circle Questions
»
Gears Turning - Computing the Arc Length Application
»
Using Newton's Law of Cooling
»
Solving Logistic Growth Applications
»
Time it Takes to Double Your Money - Compound Interest
»
Find the Interest Rate: Continuous Compound Interest Application
»
Expanding Logarithmic Expressions
»
Sketch Natural Logarithmic Functions (Step-by-Step)
»
Sketch Logarithmic Functions
»
Calculating Present Value: Periodic versus Continuous Compounding
»
Comparing Continuous Compound to Periodic Compound
»
Sketching the Graphs of Exponential Functions Using Transformations
»
Sketching Rational Functions
»
Identifying Slant Asymptotes
»
Sketching Rational Functions Having Removable Discontinuities
»
Identifying Horizontal Asymptotes (3 Rules)
»
Using Transformations to Sketch the Graphs of Rational Functions
»
Identifying Vertical Asymptotes
»
Draw Three-Dimensional Objects to Look Three-Dimensional
»
Sketching the Graphs of Polynomial Functions (Fifth-Degree Quintic)
»
Toronto Bungalow Before and After Renovation
»
Using the Intermediate Value Theorem
»
Using the Complex Conjugate Pairs Theorem
»
Find the roots of a fifth-degree polynomial
»
How to find the roots of a fourth degree polynomial (Quartic; Question 2)
»
Determining the Real Zeros of Polynomial Functions and Their Multiplicities
»
Maximizing Area Functions
»
Maximizing Projectile Motion Functions
»
Sketching the Graphs of Inverse Functions
»
Composition Cancellation Equations
»
Determine if a Function is One-to-One
»
Find the Domain of a Composite Function (Question 2)
»
Find the Domain of a Composite Function (Question 1)
»
Determining the End Behavior of Polynomial Functions
»
Evaluate Composite Functions Using a Graph
»
Finding Combined Functions and Their Domains
»
Finding the Intersection of Intervals
»
Evaluate Combined Functions Using a Graph
»
Evaluating a Combined Function
»
Graph Piecewise Function
»
Using the Vertical Line Test
»
Determining Whether Equations Represent Functions
»
Point-slope form, Slope-intercept form, and Standard form (Linear Equations)
»
Solving Polynomial Inequalities
»
Solving Compound Inequalities
»
Solving Equations That Are Quadratic in Form (Disguised Quadratics; Part 2)
»
Solving Applications Involving distance, Rate, and Time
»
Solving Working Together Problems
»
Solving Quadratic Equations by Completing the Square
»
Find slope and y-intercept of a Line in Standard Form
»
Find the Intercepts of a Circle
»
Simplifying Radicals with Negative Radicands
»
Simplifying Complex Rational Expressions
»
Simplifying Rational Expressions by Factoring
»
Dividing Polynomials Using Long Division (Question 2)
»
Determining the Intersection and Union of Sets (Introduction)
»
Chi-Square Test (Complete Example)
»
Chi-Square Test Example
»
Hypothesis Testing - Two Dependent Populations (Paired Data)
»
The Rule of 78 Explained
»
Find Effective Interest Rate of a Simple Discount Note
»
Difference Between 2 Means Hypothesis Testing (Question 3)
»
Difference Between 2 Means Hypothesis Testing (Question 2)
»
Difference Between 2 Means Hypothesis Testing (Question 1)
»
Single Mean Hypothesis Testing (Question 3)
»
Single Mean Hypothesis Testing (Question 2)
»
Single Mean Hypothesis Testing (2 Tail, Z-test; Question 1)
»
SAT Mathematics Prep (Part 4)
»
SAT Mathematics Prep (Part 3)
»
SAT Mathematics Prep (Part 2)
»
Kinematic Motion in One Dimension (Question 2)
»
Kinematic Motion in One Dimension (Question 1)
»
Multiply Numbers by Drawing Lines
»
SAT Mathematics Prep. (Part 1; 7 Questions)
»
Calculate the adjusted principal after partial payment
»
Ordinary and Exact Interest on Loans Calculations
»
Find the maturity of a loan
»
Calculating Commission and Gross Pay
»
Calculating the markup rate
»
Calculate markdown costs
»
Calculating markup costs
»
How to find the derivative by the delta method (Question 9)
»
Convert from degrees to degrees, minutes, seconds using your Sharp-EL calculator
»
Find the amount credited and balance from partial payments
»
Interpret and apply ROG (Receipt-of-Goods) terms
»
Interpret and apply EOM (End-of-Month) terms
»
Use the Gram-Schmidt process to find an orthonormal basis
»
Find coordinate vector from orthonormal basis
»
Construct orthonormal sets
»
Find a basis for the orthogonal complement
»
Orthogonality in Inner Product Spaces
»
Properties of inner products
»
Find inner product of matrices and polynomial vectors
»
Find the norm and distance of vectors based on weighted inner product
»
Find inner product generated by a matrix
»
Find the weighted Euclidean inner product
»
Computing powers of a matrix
»
Find eigenvalues of a matrix raised to a power
»
Determine the algebraic and geometric multiplicity
»
Find a matrix that diagonalizes another (Part 2)
»
Find a matrix that diagonalizes another using eigenvalues, eigenvectors (Part 1)
»
Show that a matrix is diagonalizable
»
Find the Adjoint of a Matrix
»
Markov Chains (Eigenvalues and Eigenvectors)
»
Transamination and Oxidative Deamination
»
Fatty Acid Synthesis
»
Steps in Beta Oxidation
»
How to find the derivative by the delta method (Question 8)
»
ATP Production (Cellular Respiration)
»
Regulation of Glycolysis
»
Protein Synthesis (Translating mRNA with Codon Chart)
»
How Mutations in DNA Affect Proteins
»
RNA Synthesis (Transcription)
»
Complementary Base Pairs in DNA and RNA
»
How Nucleotides Bind Together
»
Drawing and Naming a Peptide
»
Amino Acids in Acidic or Basic Solution
»
Classification of Amino Acids
»
Structural Formulas of Amino Acids
»
Hydrolysis of Amides
»
Naming Amides
»
Amidation Reactions (versus Amination)
»
Identifying Heterocyclic Amines
»
Reactions of Amines
»
Boiling Points and Solubility of Amines
»
Classifying Amines (Hydrocarbons)
»
IUPAC Names for Compounds with Two Functional Groups (amines)
»
Common Names of Amines
»
IUPAC Names for Amines
»
Drawing Sphingomyelin Structures
»
Drawing Glycerophospholipid Structures
»
Reactions of Lipids During Digestion
»
Drawing the Structure for a Triacylglycerol
»
Structures and Properties of Fatty Acids
»
Base Hydrolysis of Esters
»
Acid Hydrolysis of Esters
»
Naming Esters
»
Writing Esterification Equations
»
Neutralization of Carboxylic Acid
»
Boiling Points of Carboxylic Acids
»
Dissociation of Carboxylic Acids in Water
»
Naming Carboxylic Acids
»
Glycosidic Bonds in Disaccharides Explained
»
Drawing Haworth Structures for Sugars
»
Reducing Sugars
»
Fischer Projections (Stereoisomers)
»
Classifying Monosaccharides
»
Chiral Carbons
»
Hemiacetals and Acetals (Part 2)
»
Hemiacetals and Acetals (Part 1)
»
Reduction of Carbonyl Groups
»
Tollens' Test for Aldehydes
»
Tollens' Test for Aldehydes
»
Boiling Point and Solubility of Hydrocarbons
»
Oxidation of Alcohols
»
Dietary Fats (Everything You Need to Know)
»
Naming Aldehydes (Hydrocarbons)
»
Identifying Aldehydes and Ketones (in Hydrocarbons)
»
Naming Ketones (Hydrocarbons)
»
Dehydration of Alcohols
»
Classifying Alcohols (Organic Chemistry)
»
Naming Ethers
»
Naming Alcohols
»
Naming Phenols
»
Naming Aromatic Compounds
»
Drawing Polymers and Monomers
»
Writing Hydration Reaction
»
Writing Equations for Hydrogenation
»
Naming Alkenes and Alkynes
»
Identifying CisTrans Isomers
»
Structural Isomers
»
Writing IUPAC Names for Alkanes with Substituents
»
Drawing Expanded, Condensed, and Line Angle Structural Formulas for an Alkane
»
Properties of Organic Compounds
»
Preparation of Buffers Calculations
»
Direction of Reaction in Acid-Base Reactions
»
pH of Solutions
»
Significant Figures and Logarithms
»
Practice Names and Formulas of Acids and Bases
»
Using Le Chtelier's Principle
»
Factors That Affect the Rate of Reaction
»
Isotonic, Hypotonic, and Hypertonic Solutions
»
Calculating the Osmolarity of a Solution
»
Calculating the Freezing Point of a Solution
»
Dilution of a Solution (V1C1=V2C2)
»
How to backup and restore a MYSQL database through SSH
»
Using Mass/Volume Percent to Find Mass of Solute
»
Writing Equations for the Formation of an Insoluble Ionic Compound
»
Calculating Mass Percent (m/m) Concentration
»
Saturated Solutions
»
Electrolyte Concentration (Equivalents)
»
Teaching my 10-month-old son math
»
Partial Pressure of a Gas in a Mixture
»
Using Molar Volume to Find Volume at STP
»
Using the Combined Gas Law
»
Calculating Volume When Pressure Changes (Boyle's Law)
»
Calculating Pressure When Temperature Changes (Gay-Lussac's Law)
»
What is Blockchain
»
Units of Pressure
»
Calculating Heat in a Reaction
»
Calculating Percent Yield
»
Mass of Product from a Limiting Reactant
»
Moles of Product from Limiting Reactant
»
Calculating Moles in a Reaction
»
Calculating the Moles of an Element in a Compound
»
Writing the Group Number, Period, and Valence Electron Configuration
»
Combining Heat Calculations (Question 2)
»
Combining Heat Calculations (Question 1)
»
Heat of Vaporization
»
Heat of Fusion
»
Energy Content for a Food Using Nutrition Facts
»
Classifying Mixtures (Pure Substance vs. Mixture)
»
Pacman got magic flames and go to smash soccer ball balloons
»
Identifying Fission and Fusion
»
Medical Applications of Radioactivity
»
Radiation Measurement
»
Writing an Equation for an Isotope Produced by Bombardment
»
Writing Radiation Particles
»
Using Uranium/Lead Dating to Estimate the Age of a Rock (Question 2)
»
Calculating Mass Defect and Nuclear Binding Energy
»
Using Uranium/Lead Dating to Estimate the Age of a Rock
»
Radiocarbon Dating Calculations (Question 2)
»
Radiocarbon Dating Calculations (Question 1)
»
Predicting the Type of Radioactive Decay
»
Radioactive Decay Kinetics (Half-life)
»
Writing Nuclear Equations for Beta Decay, Positron Emission, and Electron Capture (Part 2)
»
Writing Nuclear Equations for Beta Decay, Positron Emission, and Electron Capture (Part 1)
»
Writing Nuclear Equations for Alpha Decay
»
Checker-Shadow Illusion Explained
»
Stoichiometry of Electrolysis
»
Calculating Cell Potential (Ecell) under Nonstandard Conditions
»
Relating Standard Cell Potential (Ecell) and K (equilibrium constant)
»
Relating Change in Gibbs Free Energy (G) and Standard Cell Potential (Ecell)
»
Predicting Spontaneous Redox Reactions and Sketching Electrochemical Cells
»
Calculating Standard Potentials for Electrochemical Cells (Question 1)
»
Balancing Redox Reactions Occurring in Basic Solution
»
Half-Reaction Method to Balancing Redox Equations (Question 3)
»
Half-Reaction Method to Balancing Redox Equations (Question 2)
»
Half-Reaction Method to Balancing Redox Equations (Question 1)
»
The Equilibrium Constant and G
»
Calculating G under Nonstandard Conditions
»
Calculating G for a Stepwise Reaction (Question 1)
»
Calculating G for a Stepwise Reaction (Question 2)
»
G from Standard Free Energies of Formation
»
Calculating the Standard Change in Free Energy for a Reaction Using G=HTS
»
Find the cash discount and the net amount using ordinary dating terms (Part 2)
»
Find the cash discount and the net amount using ordinary dating terms (Part 1)
»
Calculating Standard Entropy Changes
»
Calculating Trade Discount Series
»
Calculating Gibbs Free Energy Changes and Predicting Spontaneity from H and S
»
Create a pie chart by hand
»
Calculating Entropy Changes in the Surroundings
»
Complex Ion Equilibria (Question 1)
»
Predicting the Sign of Entropy Change
»
Predicting Precipitation Reactions by Comparing Q and Ksp
»
The Effect of pH on Solubility
»
Calculating Molar Solubility in the Presence of a Common Ion
»
Calculating K from Molar Solubility (AgSO)
»
Calculating Molar Solubility from K (Question 2)
»
Calculating Molar Solubility from K (Question 1)
»
Weak AcidStrong Base Titration pH Curve
»
Strong AcidStrong Base Titration pH Curve
»
Buffer Range Calculations
»
Calculate pH of a Buffer (Weak Base + Conjugate Acid) Using the HendersonHasselbalch Equation
»
Calculating the pH Change in a Buffer Solution
»
Calculating the pH of a Buffer Solution Using the HendersonHasselbalch Equation
»
Calculating the pH of a Buffer Solution (Equilibrium Method, Question 2)
»
Calculating the pH of a Buffer Solution (Equilibrium Method, Question 1)
»
Determining the Overall Acidity or Basicity of Salt Solutions
»
Determining Whether an Cation is Acidic or pH-Neutral
»
Determining Whether an Anion is Basic or pH-Neutral
»
Eye Test - How Many Triangles?
»
Determining the pH of a Solution Containing an Anion Acting as a Base
»
Finding the [OH] and pH of a Weak Base Solution
»
Finding the [OH] and pH of a Strong Base Solution
»
Finding the Percent Ionization of a Weak Acid
»
Finding the Equilibrium Constant from pH
»
Finding the pH of a Weak Acid Solution
»
Finding the [HO] of a Weak Acid Solution
»
Calculating [HO] from pH
»
Identifying BrnstedLowry Acids and Bases and Their Conjugates
»
Calculating pH from [HO] or [OH]
»
Using Kw in Calculations
»
How to identify similar triangles (Part 1)
»
The Effect of a *Temperature* Change on Equilibrium
»
The Effect of a *Volume* Change on Equilibrium
»
The Effect of a *Concentration* Change on Equilibrium
»
Finding Equilibrium Concentrations With a Small Equilibrium Constant
»
Finding Equilibrium Partial Pressures Using an ICE Table
»
Finding Equilibrium Concentrations from Initial Concentrations and the Equilibrium Constant (Q3)
»
Finding Equilibrium Concentrations from Initial Concentrations and the Equilibrium Constant (Q2)
»
Finding Equilibrium Concentrations from Initial Concentrations and the Equilibrium Constant (Q1)
»
Predicting the Direction of a Reaction by Comparing Q and K
»
Finding the Unknown Equilibrium Concentration of a Product or Reactant
»
Finding Equilibrium Constants using ICE Table (Question 3)
»
Finding Equilibrium Constants using ICE Table (Question 4)
»
Finding Equilibrium Constants using ICE Table (Question 2)
»
Finding Equilibrium Constants using ICE Table (Question 1)
»
Writing Equilibrium Expressions for Reactions Involving a Solid or a Liquid
»
Relating Kp and Kc
»
Manipulating the Equilibrium Constant to Reflect Changes in the Chemical Equation (Part 2)
»
Manipulating the Equilibrium Constant to Reflect Changes in the Chemical Equation (Part 1)
»
Expressing Equilibrium Constants for Chemical Equations
»
Using an Arrhenius Plot to Determine Kinetic Parameters
»
Half-Life Involving Reaction Rates
»
Sleep Time | Relaxing Videos for Children | BabyTV
»
Graphical Analysis to Determine Second-Order Reaction and Rate Constant
»
Graphical Analysis to Determine First Order Reaction and Rate Constant
»
Use First-Order Integrated Rate Law to Determine Concentration (Question 1)
»
Use First-Order Integrated Rate Law to Determine Concentration (Question 2)
»
Determining the Order and Rate Constant of a Reaction (Question 2)
»
Determining the Order and Rate Constant of a Reaction (Question 1)
»
Expressing Reaction Rates
»
Horticulture Ratios, Proportions and Conversions (Part 1)
»
Horticulture Ratios, Proportions and Conversions (Part 2)
»
Find the area using the Simpson's Rule (Question 2)
»
Use the midpoint rule to approximate the area (Question 2)
»
Use the midpoint rule to approximate the area (Question 1)
»
Calculating the Vapor Pressure of a Solution Containing an Ionic Solute (Question 2)
»
Calculating the Vapor Pressure of a Solution Containing an Ionic Solute (Question 1)
»
Vant Hoff Factor and Freezing Point Depression
»
Calculating Osmotic Pressure (Question 2)
»
Calculating Osmotic Pressure (Question 1)
»
Calculating Boiling Point Elevation
»
Calculate the Freezing Point Depression
»
Find the perimeter of composite shapes (Part 1)
»
Find the perimeter of composite shapes (Part 2)
»
Find the perimeter of plane figures
»
Reduce ratios and write in higher terms
»
Calculating the Vapor Pressure of a Two-Component Solution (Question 2)
»
Calculating the Vapor Pressure of a Two-Component Solution (Question 1)
»
Calculating the Vapor Pressure of a Solution using Raoults law (Question 3)
»
Calculating the Vapor Pressure of a Solution using Raoults law (Question 2)
»
Calculating the Vapor Pressure of a Solution using Raoults law (Question 1)
»
Eye Test - How Many Squares?
»
Converting between Concentration Units (Part 2)
»
Which cup will get filled first? (Puzzle Explained)
»
Converting between Concentration Units (Part 1)
»
Calculating Concentrations (Question 2)
»
Calculating Concentrations (Question 1)
»
Using Parts by Mass in Calculations (Part 2)
»
Using Parts by Mass in Calculations (Part 1)
»
Henry's Law of Solubility
»
Solubility of Molecules in Hexane
»
Relating Density to Crystal Structure (Question 1)
»
Solubility of Vitamins in Water
»
Relating Density to Crystal Structure (Question 2)
»
Using the ClausiusClapeyron Equation to Predict the Vapor Pressure at a Given Temperature (Q2)
»
Using the ClausiusClapeyron Equation to Predict the Vapor Pressure at a Given Temperature
»
Using the ClausiusClapeyron Equation to Determine Heat of Vaporization from Vapor Pressure (Q2)
»
Using the ClausiusClapeyron Equation to Determine Heat of Vaporization (Question 1)
»
Find the eigenvectors of a matrix (Question 2)
»
Find the eigenvectors of a matrix (Question 1)
»
Calculating dosage using Mg/Kg/Day
»
Calculating pediatric dosages using Clark's Rule
»
Calculating pediatric dosages using Fried's rule
»
Calculate the correct day supply from a prescription
»
Calculate the quantity of ingredient from a prescription
»
Find the eigenvalues of a matrix (Part 2)
»
Calculate the quantity of medicine to dispense
»
Find the eigenvalues of a matrix (Part 1)
»
Applying the Dimension Theorem for Matrices
»
Math Hacks (Part 2)
»
Find the basis and dimension for a vector space
»
Using the Heat of Vaporization in Calculations (Part 2)
»
Using the Heat of Vaporization in Calculations (Part 1)
»
Hydrogen Bonding and Boiling Points
»
DipoleDipole Forces (CI, CHCl, and HCl; Question 2)
»
DipoleDipole Forces (CO, CHCl, CH; Question 1)
»
Draw Venn diagrams for sets
»
Find the general solution to a nonhomogeneous system
»
Calculate the number of doses
»
Calculating dosage using Young's rule
»
Find a basis for the row and column space of a matrix
»
Find the rank, nullity, and basis for the nullspace of a matrix
»
Math Hacks (Part 1)
»
Solve union and intersection of sets
»
Understanding Complement Sets
»
Determine if matrices form a basis (Question 2)
»
Determine if vectors form a basis (Question 1)
»
Represent a vector using different bases
»
Show that vectors in a set are linearly dependent (Part 3)
»
Predicting Bond Order
»
Ridiculous SCIATICA relieved in ONE VISIT by Orange County Chiropractor
»
Hybridization and Bonding Scheme (Ethene, CO, and I, Part 3)
»
Hybridization and Bonding Scheme (Part 2)
»
Calculation for irrigating solutions, soaks, and oral feedings
»
Hybridization and Bonding Scheme (BrF and XeF; Part 1)
»
Determine if vectors span in 3D space
»
Determining Molecule Polarity (NH, BH, CF)
»
Calculating Atomic Mass (Question 3)
»
Show linear combination of vectors
»
Use row reduction to compute a 44 determinant
»
Find the orthogonal vector using vector projection
»
Find the determinant of a 44 matrix by cofactor expansion (Question 2)
»
Find the inverse of a matrix using its adjoint
»
Find the cofactor matrix (22 and 33)
»
Find the determinant of a 33 matrix using cofactor expansion (Question 2)
»
Find the determinant of a 33 matrix by cofactor expansion (Question 1)
»
Predicting the Shape of Larger Molecules (acetic acid and methanol)
»
Predicting Molecular Geometries of Ions (ICl and I)
»
Predicting Molecular Geometries (PCl and Cl(NO))
»
Find the shortest distance between skew lines (Method 2, Question 2)
»
Find the distance between two parallel planes
»
Find the angle between two planes
»
Find the point where a line intersects a plane
»
Find the equation of a plane in 3D space
»
Find the shortest distance between skew lines (Method 1, Question 1)
»
Show that lines in 3D space are skew lines
»
Find the equation of a line in 3D space
»
Find the subsets of a set
»
Use the cross product to calculate torque
»
Determine the volume of a parallelepiped
»
Use the cross product to find the area of a triangle
»
Find a vector perpendicular to a plane using the cross product
»
Find the scalar and vector projection of vectors in 3D (Work, Part 2)
»
Find the scalar and vector projection of vectors in 3D (Part 1)
»
Find the angle between two vectors (in 3D) using the dot product (Part 2)
»
Find the tension and magnitude of wires using vectors
»
How to graph the polar equation of a conic (Hyperbola, Question 4)
»
Solve science-based word problems using anti-derivatives in calculus
»
How to find truth value from a written statement (Question 3, P Q)
»
Calculate the strength of a solution
»
How to determine the amount of solute in a given amount of solution
»
How to determine the amount of solution that contains a given amount of solute
»
How to find truth value without a truth table (Part 2)
»
How to find truth value without a truth table (Part 1)
»
How to find truth value from a written statement (Question 2, ~P (~Q P))
»
How to find truth value from a written statement (Question 1, P Q)
»
How to construct a truth table from a symbolic statement (Question 2)
»
How to construct a truth table from a symbolic statement
»
VSEPR Theory and the Basic Shapes
»
Writing Lewis Structures for Compounds Having Expanded Octets (Part 2, HPO)
»
Calculating Change in Enthalpy from Bond Energies (Question 2)
»
Write a compound statement in symbolic form
»
Calculating Change in Enthalpy from Bond Energies (Question 1)
»
How to solve *MINimization* problems via the Simplex Method using the theorem of duality
»
How to use the simplex method to solve maximization problems (Question 6, Easy)
»
How to evaluate radian angles using COSINE, special triangles, the unit circle (Part 2)
»
How to solve optimization problems in calculus (Question 8)
»
How to integrate trigonometric functions containing even powers (Question 2)
»
How to integrate using inverse trigonometric substitution (Question 5)
»
How to solve quadratic problems involving electricity
»
How to compute z-scores
»
How to use and interpret margin of error
»
How to find scores at a specified standard deviation from the mean
»
Calculate the midrange
»
How to calculate the mean for a frequency distribution
»
Finding the median for a frequency distribution
»
How to calculate probabilities of *independent* events
»
How to calculate probabilities of *dependent* events
»
How to find the conditional probability
»
Drawing Resonance Structures and Assigning Formal Charge for Organic Compounds (Question 2)
»
How to use the simplex method to solve maximization problems (Question 5)
»
How to transform linear absolute value equations
»
How to negate a statement (Introduction to logic)
»
How to calculate the odds in favor and the odds against
»
How to determine if a statement represents a compound (Introduction to logic)
»
How to calculate the effective interest rate
»
How to setup the initial simplex tableau
»
How to use the simplex method to solve maximization problems (Question 4, Hard)
»
How to use the simplex method to solve maximization problems (Question 3, Medium)
»
How to use the simplex method to solve maximization problems (Question 2, Easy)
»
How to use the simplex method to solve maximization problems (Question 1, Easy)
»
Assigning Formal Charges to Atoms in Molecules (Question 1)
»
How to find the magnitude and direction of a 3D vector
»
How to find the distance between two points in 3D
»
Writing Resonance Structures
»
Writing Lewis Structures for Polyatomic Ions
»
How to solve business-related percentage word problems (Part 2)
»
How to solve business-related percentage word problems (Part 1)
»
How to find the tangent to polar curves
»
How to solve allocation problems
»
Use matrices to solve electrical circuits
»
Use matrices to balance a chemical equation
»
How to find the absolute maximum/minimum using partial derivatives (with Visuals, Question 3)
»
How to calculate iterated integrals (double integrals)
»
How to find the absolute maximum/minimum using partial derivatives (Question 2)
»
How to find the absolute maximum/minimum using partial derivatives (Question 1)
»
How to find the local maximum/minimum and saddle points of a function (Question 2)
»
How to find the local maximum/minimum and saddle points of a function (Question 1)
»
How to find the critical points of a function using partial derivatives
»
How to find the tangent plane and normal line using partial derivatives (Part 2)
»
How to find the tangent plane and normal line using partial derivatives (Part 1)
»
How to find the maximum value of a directional derivative in 3D
»
How to find the maximum value of a directional derivative in 2D (Question 2)
»
How to find the maximum value of a directional derivative in 2D (Question 1)
»
How to find the gradient of a function in 3D (Part 2)
»
How to find the gradient of a function in 3D (Part 1)
»
How to find the gradient of a function in 2D
»
How to find the directional derivative of a function (Question 2)
»
Chances of winning the EuroJackpot
»
Chances of winning the SuperEnalotto (Italian lottery)
»
Chances of winning the EuroMillions lottery
»
How to find the directional derivative of a function (Question 1)
»
How to use the chain rule with partial derivatives (Part 2)
»
How to use the chain rule with partial derivatives (Part 2)
»
How to use the chain rule with partial derivatives (Introduction, Part 1)
»
How to find the second partial derivative of a function
»
Nine longest words in the English language (with pronunciations)
»
How to calculate the probability of events not mutually exclusive events
»
How to calculate the probability of mutually exclusive events
»
How to calculate sample variance and standard deviation
»
How to use the exponential density function (Part 2)
»
How to use the exponential density function (Part 1)
»
How to use z-score to find the area under a normal curve (Part 2)
»
How to find the median of a dataset
»
How to calculate the probability of an event NOT occurring
»
How to compute probabilities with combinations
»
Chances of winning the Lotto Max lottery
»
Chances of winning the Mega Millions lottery
»
Chances of winning the Lotto 6/49 lottery
»
Chances of winning the Powerball lottery
»
How to rearrange literal formulas (Part 3)
»
How to analyze and graph a cubic function (Question 3, Hard)
»
How to analyze and graph a cubic function (Question 2, Medium)
»
How to analyze and graph a cubic function (Question 1, Easy)
»
How to compute probabilities with permutations
»
Classifying Bonds as Pure Covalent, Polar Covalent, or Ionic using Electronegativities
»
How to graph quadratic and cubic absolute functions (Part 2)
»
How to solve inequalities involving two or more absolute expressions (Question 2)
»
How to solve inequalities involving two or more absolute expressions (Question 1)
»
How to graph linear absolute functions
»
How to solve LINEAR inequalities with absolute values (Part 3)
»
How to solve equations involving two or more absolute expressions (Question 2)
»
How to solve equations involving two or more absolute expressions (Question 1)
»
Understanding factorial notation
»
How to calculate combinations with the fundamental counting principle
»
Calculate permutations of duplicate items
»
How to distinguish between permutations and combinations (Part 2)
»
How to find the partial derivative of a function (Implicit Differentiation, Part 3)
»
How to find the partial derivative of a function (Part 2)
»
How to find the partial derivative of a function (Part 1)
»
Predicting Relative Lattice Energies
»
How to calculate the break-even point
»
How to use intercepts to graph linear equations
»
Using the Lewis Model to Predict the Chemical Formula of an Ionic Compound
»
How to solve LINEAR inequalities (Part 2)
»
How to use your calculator to compute complex fractions and expressions
»
Determining Metallic Character based on Periodic Table Trends
»
Determining First Ionization Energy based on Periodic Table Trends (Part 2)
»
Determining First Ionization Energy based on Periodic Table Trends (Part 1)
»
Determining Ion Atomic Size by Comparison
»
Electron Configurations and Magnetic Properties for Ions (Part 2)
»
Electron Configurations and Magnetic Properties for Ions (Part 1)
»
Determine Atomic Size based on Periodic Table Trends
»
Writing Electron Configurations from the Periodic Table
»
Identify Valence Electrons and Core Electrons
»
Writing Orbital Diagrams
»
Writing Electron Configurations (Part 2)
»
Writing Electron Configurations (Part 1)
»
Wavelength of Light for a Transition in the Hydrogen Atom (Question 3)
»
How to write the terms of a Fourier series given a waveform (Numerical Method)
»
How to write a Fourier series for any period (Period of 2L)
»
Wavelength of Light for a Transition in the Hydrogen Atom (Question 2)
»
How to find the least common multiple
»
Find the greatest common divisor
»
How to find the prime factorization using a factor tree
»
Wavelength of Light for a Transition in the Hydrogen Atom (Question 1)
»
Quantum Numbers (Part 2)
»
Quantum Numbers (Part 1)
»
How to calculate theoretical probability (Part 2)
»
How to calculate empirical probability
»
Calculate the number of possible combinations
»
How to transpose a matrix
»
How to find the trace of a matrix
»
How to distinguish between permutations and combinations (Part 1)
»
How to use the formula for permutations
»
How to find the area and circumference of a circle
»
How to find the derivative of inverse functions
»
How to find the binomial coefficient
»
How to use the fundamental counting principle
»
A Quick Lesson on Applying the Order of Operations
»
How to prove by mathematical induction (Part 1)
»
How to graph the polar equation of a conic (Hyperbola, Question 3)
»
How to graph the polar equation of a conic (Parabola, Question 2)
»
How to graph the polar equation of a conic (Ellipse, Question 1)
»
How to find the terms of a geometric sequence
»
How to find the terms of an arithmetic sequence (Part 2)
»
Understanding Summation Notation
»
How to write the terms of a sequence from the general term
»
How to find the derivative by the delta method (Question 7)
»
How to find the derivative by the delta method (Question 7)
»
How to identify conic sections without rotating axes
»
Write an equation of a rotated conic section (ellipse) in standard form
»
How to rotate and graph an equation using the rotation of axes formula
»
How to identify a conic section without completing the square
»
How to solve a word problem involving parabolas
»
How to find the equation of a parabola from its focus and directrix
»
Graph a hyperbola in expanded form
»
How to graph a hyperbola centered at the origin
»
How to find the derivative by the delta method (Question 6)
»
How to solve a word problem involving ellipsis
»
How to find the determinant of a 44 matrix by cofactor expansion (Question 1)
»
Using invertible matrices with cryptograms
»
Using invertible matrices with cryptograms
»
How to solve a system by inversing a matrix
»
How to transform an image using matrices
»
How to transform an image using matrices
»
Solving matrix equations
»
How to solve a system with fewer equations than variables
»
How to use Gaussian elimination to solve a system with infinite solutions
»
How to multiply a matrix by a scalar
»
How to write constraints in linear programming
»
How to graph a system of linear inequalities
»
How to solve a linear system by Gauss-Jordan elimination
»
How to solve linear systems using Gaussian elimination with back substitution
»
How to find the vector projection
»
How to find the unit vector
»
How to find the angle between two vectors (in 2D) using the dot product (Part 1)
»
How to find the dot product of two vectors in 2D
»
Add and subtract vectors (with scalar multiplication)
»
How to multiply, divide, and power complex numbers in trigonometric polar form
»
How to find the absolute of a complex number
»
How to graph polar equations using symmetry (lemniscate)
»
How to graph polar equations using symmetry (rose curve)
»
How to graph polar equations using symmetry limaon
»
How to plot polar coordinates with radian angles
»
Find the area of an oblique triangle
»
How to solve problems involving circles and the Pythagorean theorem
»
How to find the area of a trapezoid
»
How to solve unknown angles with parallel lines (Part 4)
»
How to solve unknown angles with parallel lines (Part 3)
»
How to solve unknown angles with parallel lines (Part 2)
»
How to solve unknown angles with parallel lines (Part 1)
»
Parallel Lines Angle Analysis
»
How to solve trigonometric equations with *multiple angles* and special triangles (Part 2)
»
How to find the lowest common denominator (2 methods)
»
How to common factor expressions with fractions
»
How to factor by grouping (Part 3)
»
How to factor by grouping (Part 2)
»
How to solve an exponential equation using the quadratic formula
»
How to solve trigonometric equations with *multiple angles* and special triangles (Part 1)
»
How to solve trigonometric equations using identities (Multiple Angles, Radians, Part 5)
»
How to expand algebraic expressions (simplifying polynomials)
»
How to use sum-to-product formulas with sine and cosine
»
How to use half-angle formulas to find an exact value
»
How to verify a trigonometric identity using multiple identities
»
How to work with Zero and Negative Exponents
»
How to solve word problems involving vectors (Velocity Vectors, Part 2)
»
How to solve word problems involving vectors (Part 1, Force-Related)
»
How to solve word problems involving the sine law
»
How to reduce the power of a trigonometric function
»
How to use double angle formulas to find exact values
»
How to graph a secant function
»
How to graph a cosecant function (y = csc(x+/4))
»
Solve De Broglie Wavelength Problems
»
Arrange in Increasing Order the Wavelength, Energy, and Frequency
»
Solve Photon Energy Problems (Question 3)
»
Solve Photon Energy Problems (Question 2)
»
Solve Photon Energy Problems (Question 1)
»
Problems involving Wavelength and Frequency
»
How to substitute values into equations and formulas
»
Change in Enthalpy and Standard Enthalpies of Formation (Part 3)
»
Change in Enthalpy and Standard Enthalpies of Formation (Part 2)
»
How to convert scientific notation to decimal notation
»
Change in Enthalpy and Standard Enthalpies of Formation (Part 1)
»
How to use the scale factor to find the area in similar triangles
»
How to identify similar triangles (Part 2)
»
How to simplify expressions containing parentheses, square, and curly brackets (Part 1)
»
How to find the derivative by the delta method (Question 5)
»
How to setup and solve quadratic word problems (Part 2)
»
How to setup and solve quadratic word problems (Part 1)
»
How to evaluate complicated limits using infinite series
»
How to find the general formula for a Maclaurin series (f(x) = e; Question 4)
»
How to verify the center of a circle with known points
»
Proving Diagonals of a Rhombus Bisect at 90
»
Proving Midpoint Properties of Trapezoids
»
Proving Midpoint Properties of Quadrilaterals
»
How to find the general formula for a Taylor series around a
»
How to find the general formula for a Maclaurin series (f(x) = sin(x); Question 3)
»
How to verify that midpoints of triangles are parallel
»
How to verify the centroid of a triangle
»
How to determine whether a point lies within a circle
»
How to apply slope, midpoint, and length to solve problems (Question 2)
»
How to apply slope, midpoint, and length to solve problems (Question 1)
»
How to find the length of a median in a triangle
»
How to use the distance formula to solve problems
»
How to translate words into algebra
»
How to classify quadratic equations
»
How to classify quadratic equations
»
Standard Enthalpies of Formation
»
Measuring Change in Enthalpy in a Coffee-Cup Calorimeter (Question 2)
»
How to write a Fourier series to represent a wave (Sawtooth Wave; Question 2)
»
How to find the general formula for a Maclaurin series (Question 2)
»
How to determine waveform symmetries: even, odd, and half-wave
»
How to graph a tangent function
»
How to use period functions to model behavior
»
How to graph a cotangent function
»
Measuring Change in Enthalpy in a Coffee-Cup Calorimeter (Question 1)
»
How to find the general formula for a Maclaurin series (Question 1)
»
How to convert units of any rate to another (Part 1)
»
How to calculate the number of ATP molecules produced during beta oxidation (Odd chain)
»
How to calculate the number of ATP molecules produced during beta oxidation (Even, Question 2)
»
How to calculate the number of ATP molecules produced during beta oxidation (Even, Question 1)
»
How to find co-terminal angles in degrees and radians
»
How to use co-function identities
»
How to solve a rational inequality
»
Change any logarithm into a common log ( log )
»
Stoichiometry Involving Change in Enthalpy
»
How to solve a quadratic inequality (Question 2)
»
Measuring Change of Energy in a Bomb Calorimeter (Question 1)
»
How to solve a quadratic inequality (Question 1)
»
Measuring Change of Energy in a Bomb Calorimeter (Question 2)
»
Measuring Change of Energy in a Bomb Calorimeter (Question 3)
»
Exothermic and Endothermic Processes
»
PressureVolume Work (Part 2)
»
PressureVolume Work (Part 1)
»
How to find the radius of convergence of a power series
»
Calculating Thermal Energy Transfer (Question 2)
»
Calculating Thermal Energy Transfer (Question 1)
»
Temperature Changes and Heat Capacity (Part 2)
»
Temperature Changes and Heat Capacity (Part 1)
»
How to use the *ratio test* to determine convergence of a power series (Part 2)
»
How to find the domain of a function of n variables
»
How to test for convergence using the *root test* with infinite series
»
How to test for divergence using the *limit test* with infinite series (Part 2)
»
How to test for convergence in a geometric series
»
How to test for convergence in alternating and recursively-defined sequences
»
How to find the derivative by the delta method (Question 4)
»
Internal Energy, Heat, and Work
»
How to test for convergence in a sequence with limits (Part 2)
»
How to test for convergence in a sequence with limits (Part 1)
»
Multiplying large numbers
»
Multiply numbers with decimals
»
Adding large numbers
»
How to subtract large numbers
»
Add and subtract numbers with decimals
»
How to write the general formula for sequences / infinite series
»
How to perform long division for polynomials (Question 1)
»
How to perform long division / synthetic division for polynomials (Question 2)
»
How to apply the linear factorization theorem
»
How to find the roots of a fourth-degree polynomial (quartic)
»
How to use the rational zero theorem (Part 1)
»
How to use the rational zero theorem to find the roots of a polynomial (Part 2)
»
How to use the remainder theorem to evaluate a polynomial function
»
How to evaluate and simplify a difference quotient
»
How to use the FOIL method to multiply binomials
»
How to find the domain of a two variable function
»
How to solve equations that are in quadratic form
»
How to divide by long division with remainders
»
How to write a Fourier series to represent a wave (Square Wave; Question 1)
»
How to divide by long division
»
How to combine like-terms in algebraic expressions
»
How to determine the difference between an algebraic and transcendental expression
»
How to determine the degree of a term or expression
»
How to identify constants in algebraic expressions
»
Calculating Grahams Law of Effusion
»
Root Mean Square Velocity (Question 2)
»
Root Mean Square Velocity (Question 1)
»
Using Molar Volume in Gas Stoichiometric Calculations (Question 2)
»
Using Molar Volume in Gas Stoichiometric Calculations (Question 1)
»
How to solve second-order differential equations by the Laplace transform (Question 2)
»
How to integrate a power series function
»
How to multiply or divide two power series
»
How to add or subtract two power series
»
How to write a Taylor series expansion for a function (Question 2)
»
How to write a Taylor series expansion for a function (Question 1)
»
How to write a Maclaurin series expansion for a function (Question 3)
»
How to write a Maclaurin series expansion for a function (Question 2)
»
How to write a Maclaurin series expansion for a function (Question 1)
»
How to use the *ratio test* to determine convergence of a power series (Part 1)
»
How to test for convergence using the Cauchy ratio test with infinite series (Part 2)
»
How to test for convergence using the Cauchy ratio test with infinite series (Part 1)
»
How to test for divergence using the *limit test* with infinite series (Part 1)
»
How to test for convergence using the partial sum test with infinite series
»
How to find a numerical solution of second-order differential equations
»
How to evaluate expressions with absolute values
»
How to solve a system of equations with fractional coefficients (Question 2)
»
How to solve a system of equations with literal coefficients
»
How to find a numerical solution using the Runge-Kutta Method
»
Gases In Chemical Reactions (Question 2)
»
Gases In Chemical Reactions (Question 1)
»
Gases In Chemical Reactions (Question 1)
»
Collecting Gases over Water (Question 2)
»
Collecting Gases over Water (Question 1)
»
How to use the modified Euler's method with predictor-corrector steps
»
How to solve electrical problems by the Laplace transform (DC Source, Question 5)
»
How to solve electrical problems by the Laplace transform (AC Source, Question 4)
»
How to solve electrical problems by the Laplace transform (DC Source, Question 3)
»
Partial Pressure and Mole Fractions (Question 2)
»
Partial Pressure and Mole Fractions (Question 1)
»
Total Pressure and Partial Pressures (Question 2)
»
Total Pressure and Partial Pressures (Question 1)
»
Molar Mass of a Gas (Question 2)
»
Molar Mass of a Gas (Question 1)
»
How to solve electrical problems by the Laplace transform (DC Source, Question 2)
»
Solving Density Problems (Question 3)
»
How to solve electrical problems by the Laplace transform (DC Source, Question 1)
»
Solving Density Problems (Question 2)
»
Solving Density Problems (Question 1)
»
Solve Ideal Gas Law Problems (Part 2; Question 3)
»
Solving Ideal Gas Law Problems (Part 2, Question 2)
»
Solving Ideal Gas Law Problems (Part 2, Question 1)
»
Using Oxidation States to Identify Oxidation and Reduction
»
Assigning Oxidation States (Part 2)
»
Writing Equations for AcidBase Reactions Involving a Weak Acid (Question 2)
»
Writing Equations for AcidBase Reactions Involving a Weak Acid (Question 1)
»
Writing Complete Ionic and Net Ionic Equations (Part 2)
»
Writing Equations for AcidBase Reactions Involving a Strong Acid (Question 1)
»
Writing Equations for AcidBase Reactions Involving a Strong Acid (Question 2)
»
Writing Equations for Precipitation Reactions (Question 4)
»
Writing Equations for Precipitation Reactions (Question 3)
»
Writing Equations for Precipitation Reactions (Question 2)
»
Writing Equations for Precipitation Reactions (Question 1)
»
Solving Ideal Gas Law Problems (Part 1)
»
Solving Avogadros Law Problems (V1/n1 = V2/n2)
»
Calculating Volume When Temperature Changes (Charles' Law)
»
How to Factor a Difference of Squares
»
How to solve second-order differential equations by the Laplace transform (Question 1)
»
How to solve first-order differential equations by the Laplace transform (Question 2)
»
How to solve first-order differential equations by the Laplace transform (Question 1)
»
How to find the inverse transforms of a function (Question 3)
»
How to find the inverse transforms of a function (Question 2)
»
How to find the inverse transforms of a function (Question 1)
»
How to find the Laplace Transform of a function using a table
»
How to find the Laplace Transform of an integral
»
How to find the Laplace Transform of a second derivative
»
How to find the Laplace Transform of a first derivative function (Question 3)
»
Boyles Law (P1V1 = P2V2)
»
Converting between Pressure Units
»
Writing Equations for Combustion Reactions
»
Identifying Redox Reactions, Oxidizing Agents, and Reducing Agents (Part 3)
»
Identifying Redox Reactions, Oxidizing Agents, and Reducing Agents (Part 2)
»
Identifying Redox Reactions, Oxidizing Agents, and Reducing Agents (Part 1)
»
Assigning Oxidation States (Part 1)
»
Writing Equations for Gas-Evolution Reactions
»
How to find the Laplace Transform of several terms
»
How to find the Laplace Transform of a function (Question 2)
»
How to find the Laplace Transform of a function (Question 1)
»
How to sketch an equation with three variables
»
How to find the area of a polar region (Question 2)
»
How to convert between rectangular and polar coordinates (Radians, Part 3)
»
How to find the arc length for parametric curves
»
How to convert parametric equations to cartesian equations
»
How to solve a crime using differential equations
»
How to solve exponential growth and decay with differential equations (Question 3)
»
How to solve exponential growth and decay with differential equations (Question 2)
»
How to calculate instantaneous current in an overdamped RLC circuits
»
How to calculate instantaneous current in underdamped RLC circuits
»
How to setup and solve differential equation problems (Question 4)
»
How to setup and solve differential equation problems (Question 3)
»
How to setup and solve differential equation problems (Question 2)
»
How to setup and solve differential equation problems (Question 1)
»
Writing Complete Ionic and Net Ionic Equations (Part 1)
»
Predicting Whether an Ionic Compound Is Soluble
»
Solving Solution Stoichiometry Problems (Question 2)
»
Solving Solution Stoichiometry Problems (Question 1)
»
Using Molarity in Calculations
»
Series RL and RC Circuits with differential equations (Question 4)
»
How to find the median of a probability distribution
»
How to find the mean of the exponential density function
»
How to find the average value of a probability density function
»
How to setup probability density functions
»
How to find the complete solution of a second-order differential equations (Question 3)
»
Limiting Reactant and Theoretical Yield (Question 4)
»
Limiting Reactant and Theoretical Yield (Question 3)
»
How to find the complete solution of a second order differential equations (Question 2)
»
How to find the complete solution of a second-order differential equations (Question 1)
»
How to prove the complementary function and particular integral of a differential equation
»
Limiting Reactant and Theoretical Yield (Question 2)
»
How to find the general solution of a third-order differential equation
»
How to find the particular solution of a second-order differential equation
»
Limiting Reactant and Theoretical Yield (Question 1)
»
The Dangers of Headphones
»
How to solve second-order differential equations with right side zero (Part 2)
»
How to solve second-order differential equations with right side zero (Part 1, Real Roots)
»
How to solve second-order differential equations (Question 2)
»
How to solve second-order differential equations (Question 1)
»
How to express current in an RL Series connected to an alternating voltage source
»
Series RL and RC Circuits with differential equations (Question 3)
»
How to solve first-order differential equations (Part 2)
»
Identifying separable equations
»
Solving Stoichiometry Problems (Question 4)
»
Solving Stoichiometry Problems (Question 4)
»
Solving Stoichiometry Problems (Question 3)
»
Solving Stoichiometry Problems (Question 2)
»
Solving Stoichiometry Problems (Question 1)
»
The importance of significant figures
»
Series RL and RC Circuits with differential equations (Question 2)
»
Series RL and RC Circuits with differential equations (Question 1)
»
How to set up first-order differentials equations (Question 1)
»
How to set up first-order differentials equations (Question 2)
»
How to find the equation of orthogonal trajectories using differential equations
»
How to derive the exponential growth to an upper limit formula
»
How to solve exponential growth and decay with differential equations (Question 1)
»
Balancing Chemical Equations Containing Ionic Compounds with Polyatomic Ions
»
Balancing Chemical Equations (Question 4)
»
Balancing Chemical Equations (Questions 2, 3)
»
Balancing Chemical Equations (Question 1)
»
Determining an Empirical Formula from Combustion Analysis (Question 2)
»
Determining an Empirical Formula from Combustion Analysis (Question 1)
»
How to reduce nonlinear equations to linear form using Bernoulli's Equation
»
Calculating a Molecular Formula from an Empirical Formula and Molar Mass (Part 2)
»
Calculating a Molecular Formula from an Empirical Formula and Molar Mass (Part 1)
»
How to solve first-order linear differential equations (Part 3)
»
How to solve first-order linear differential equations (Part 2)
»
How to solve first-order linear differential equations (Part 1)
»
Obtaining an Empirical Formula from Mass Percent (Part 3)
»
Obtaining an Empirical Formula from Mass Percent (Part 2)
»
Obtaining an Empirical Formula from Experimental Data (Part 1)
»
Identifying Place Values
»
How to write any number in scientific notation (Part 2)
»
Mass Percent Composition (Part 2)
»
Chemical Formulas as Conversion Factors (Question 3)
»
Chemical Formulas as Conversion Factors (Question 2)
»
Chemical Formulas as Conversion Factors (Question 1)
»
How to solve first-order homogeneous differential equations
»
How to recognize a homogenous differential equation
»
How to solve exact first order differential equations (Part 2)
»
How to solve exact first-order differential equations (Part 1)
»
How to solve differential equations with conditions (Question 2)
»
How to solve differential equations with conditions (Question 1)
»
How to solve first-order differential equations (Part 1)
»
How to use Euler's method to numerically solve differential equations (Part 2)
»
How to determine the slope field of differential equations
»
How to check the solution of a differential equation
»
How to determine the degree of differential equations
»
How to find the derivative by the delta method (Question 3)
»
How to find the area using the Simpson's Rule (Question 1)
»
How to find the area using the prismoidal formula
»
How to find the area using the trapezoidal rule
»
How to find the area using the average ordinate method
»
How to integrate improper integrals
»
Mass Percent Composition (Part 1)
»
Converting Between Mass and Number of Molecules (Question 3)
»
Converting Between Mass and Number of Molecules (Question 2)
»
Converting Between Mass and Number of Molecules (Part 1)
»
Calculating Formula Mass (Molar Mass)
»
How to tell when an integral converges or diverges
»
How to integrate using inverse trigonometric substitution (Question 9)
»
How to integrate using inverse trigonometric substitution (Question 8)
»
How to integrate using inverse trigonometric substitution (Question 4)
»
How to integrate using inverse trigonometric substitution (Question 7)
»
How to integrate by algebraic substitution (Question 3)
»
How to integrate by algebraic substitution (Question 2)
»
How to integrate by algebraic substitution (Question 1)
»
How to separate fractions into partial fractions (Question 4)
»
How to separate fractions into partial fractions (Question 3)
»
How to separate fractions into partial fractions (Question 2, Repeating)
»
How to separate fractions into partial fractions (Question 1, Non-repeating)
»
How to integrate fractions with a quadratic denominator (Question 2)
»
How to integrate fractions with a quadratic denominator (Question 1)
»
How to integrate improper rational fractions
»
How to use the laws of exponents to simplify an expression (Part 3)
»
How to write any complex number in polar form (and vice versa)
»
How to integrate by parts (Part 2)
»
10 Health Benefits of Kiwi Fruit
»
How to integrate trigonometric functions containing even powers (Question 1, Sine Squared x)
»
How to find the root mean square value
»
How to integrate logarithmic functions
»
How to integrate exponential functions
»
How to integrate trigonometric functions
»
How to solve combined variation application problems (Part 3)
»
How to solve combined variation application problems (Part 2)
»
How to solve combined variation application problems (Part 1)
»
Naming Binary and Oxyacids
»
Naming Molecular Compounds
»
Naming Ionic Compounds That Contain a Polyatomic Ion
»
Naming Ionic Compounds Containing a Metal With More Than One Type of Cation
»
Naming Ionic Compounds Containing a Metal With Only One Type of Cation
»
How to find the derivative of exponential functions (Part 2)
»
How to use logarithms to differentiate non-logarithmic expressions
»
How to find the derivative of natural logarithmic functions (Part 2)
»
How to find the derivative of logarithmic functions (Part 2)
»
How to find the derivative of logarithmic functions (Part 1)
»
How to find the derivative of inverse trigonometric functions (Part 3)
»
How to find the derivative of secant and cotangent functions (Part 2)
»
How to find the derivative of secant and cotangent functions (Part 1)
»
Find the derivative of tangent functions
»
Writing Formulas for Ionic Compounds (Part 2)
»
How to use implicit differentiation (Part 4)
»
Writing Formulas for Ionic Compounds (Part 1)
»
Classifying Substances as Atomic, Molecular Elements, Molecular, Ionic Compounds
»
Classifying Substances as Atomic, Molecular Elements, Molecular, Ionic Compounds
»
How to find the derivative of cosine functions
»
How to find the derivative of sine functions
»
How to compute the polar moment of inertia using the disk method
»
How to round significant figures when you have 5
»
How to compute the polar moment of inertia using the shell method
»
Molecular and Empirical Formulas
»
The Mole Concept (Question 3)
»
The Mole Concept (Question 1)
»
How to measure cardiac output with integrals (Question 1)
»
How to compute moment of inertia using integrals (Question 2)
»
How to compute moment of inertia using integrals (Question 1)
»
Converting between Mass and Number of Atoms (Part 3)
»
Converting between Mass and Number of Atoms (Part 2)
»
Converting between Mass and Number of Atoms (Part 1)
»
How to find the amount of work needed using integrals (Question 2)
»
Converting between Mass and Amount Number of Moles (Part 2)
»
Converting between Mass and Amount (Number of Moles) (Part 1)
»
Converting between Number of Moles and Number of Atoms
»
How to find the amount of work needed using integrals (Question 1)
»
Calculating Atomic Mass (Question 2)
»
Calculating Atomic Mass (Question 1)
»
How to express fluid pressure force as an integral (Part 5)
»
How to express fluid pressure force as an integral (Part 4, Triangle Dam)
»
How to express fluid pressure force as an integral (Part 3, Trapezoid Dam)
»
How to express fluid pressure force as an integral (Part 2, Semi-circle Dam)
»
How to express fluid pressure force as an integral (Part 1, Rectangle Dam)
»
How to find the centroid of solids with integrals (Question 1)
»
Predicting the Charge of Ions
»
Atomic Numbers, Mass Numbers, and Isotope Symbols
»
Law of Multiple Proportions
»
How to graph polar coordinates with negative values
»
How to convert between rectangular and polar coordinates (Part 2)
»
How to convert between rectangular and polar coordinates (Part 1)
»
Law of Definite Proportions
»
How to find the centroid between two curves (Question 2)
»
How to find the centroid between two curves (Question 1)
»
How to find the centroid of simple, composite shapes
»
Density as a Conversion Factor (Part 2)
»
Density as a Conversion Factor (Part 1)
»
Unit Conversions Involving Units Raised to a Power (Part 3)
»
Unit Conversions Involving Units Raised to a Power (Part 2)
»
Unit Conversions Involving Units Raised to a Power (Part 1)
»
Significant Figures in Calculations (Part 2)
»
Significant Figures in Calculations (Part 1)
»
How to find the equation of a cosine curve (Question 2)
»
How to find the surface area of solids using integrals (Part 2)
»
Determining the Number of Significant Figures in a Number
»
Reporting the Correct Number of Digits from a Graduated Cylinder
»
How to calculate the arc length formula of a function with integrals (Question 2)
»
How to choose a random sampling technique
»
Calculating Density
»
Converting between Celsius, Fahrenheit, and Kelvin
»
Physical and Chemical Changes and Properties
»
How to find the volume of solids using the ring method and shell method
»
How to find the volume of solids using the shell method and disk method
»
How to find the volume of solids using integrals (disk method) (Part 3)
»
How to find the area between two curves using integrals (Part 4)
»
How to find the area between two curves using integrals (Part 3)
»
How to find the area between two curves using integrals (Part 2)
»
How to solve electric circuits problems with integrals (Question 3)
»
How to solve electric circuits problems with integrals (Question 2)
»
How to solve electric circuits problems with integrals (Question 1)
»
How to solve motion word problems with integrals (Question 3)
»
How to solve motion word problems with integrals (Question 2)
»
How to solve motion word problems with integrals (Question 1)
»
How to find the area bounded by a curve
»
How to approximate the area of a function using midpoints (Part 2)
»
How to find the original equation of a second derivative using integrals
»
How to graph the integral of a function
»
How to perform the substitution rule with integrals (Part 3)
»
Integrate indefinite integrals of simple functions
»
How to solve word problems with two unknowns (Question 6, Money Application)
»
How to solve word problems with two unknowns (Question 7, Static Application)
»
How to solve word problems with two unknowns (Question 5, Uniform Motion)
»
How to solve rate problems leading to fractional equations (Question 1, Uniform Motion)
»
How to solve optimization problems in calculus (Question 13)
»
How to solve optimization problems in calculus (Question 12)
»
How to solve optimization problems in calculus (Question 11)
»
How to solve optimization problems in calculus (Question 11)
»
How to solve optimization problems in calculus (Question 10)
»
How to solve optimization problems in calculus (Question 9)
»
How to solve related rates problems with derivatives (Question 3)
»
How to solve related rates problems with derivatives (Question 2)
»
How to solve related rates problems with derivatives (Question 1)
»
How to solve motion of a point problems with derivatives (Question 2)
»
How to solve motion of a point problems with derivatives (Question 3)
»
How to solve motion of a point problems with derivatives (Question 4)
»
How to solve motion of a point problems with derivatives (Question 6)
»
How to solve motion of a point problems with derivatives (Question 5)
»
How to solve a non-linear system with its variables in the denominator
»
How to solve motion of a point problems with derivatives (Question 1)
»
How to solve rate of change problems with derivatives (Question 3, Electricity)
»
How to solve rate of change problems with derivatives (Question 4, Electricity)
»
How to solve rate of change problems with derivatives (Question 2, Electricity)
»
How to solve rate of change problems with derivatives (Question 1)
»
How to use Newton's method to approximate solutions of equations
»
How to find the points of inflection for a function
»
How to use the second derivative test to find maximum and minimum values
»
How to perform the concavity test and second derivative test for a function (Part 3)
»
Lucid Dreaming ( ) Quick Presentation
»
Can 1 equal 2 ? DEBUNKED!
»
How to find the second derivative of a function (Part 2)
»
How to find the derivative by the delta method (Question 2)
»
How to find the derivative by the delta method, first principles (Question 1)
»
How to evaluate limits using algebra and the limit laws (Part 4)
»
How to evaluate limits using algebra and the limit laws (Part 3)
»
How to write an equation of a line using the method of least squares
»
How to write an equation from a line of best fit
»
How to calculate the correlation coefficient from a table of values
»
How to make a process control chart (Question 2 - Continuous Variable)
»
How to make a process control chart (Question 1 - Categorical Variable)
»
How to calculate standard error of the mean and why it's important (Central Limit Theorem)
»
How to find the standard error of a proportion
»
How to find the standard error of a sample mean to estimate the population mean
»
How to use z-score to find the area under a normal curve (Part 1)
»
How to solve problems involving probability
»
How to calculate the probability of complementary events (Part 2)
»
How to find the mode of a dataset
»
How to compute the weighted mean of a dataset
»
How to create a frequency polygon
»
How to graph a cumulative frequency distribution
»
How to create a frequency histogram
»
How to multiply and divide fractions
»
How to create a stem-and-leaf plot
»
How to arrange raw data into a frequency distribution table
»
How to find the general term of a binomial expansion
»
How to expand trinomials using the binomial theorem
»
How to use Pascal's triangle to expand a binomial
»
How to expand an expression using the binomial theorem (Part 1)
»
How to expand a binomial raised to a negative fraction using the binomial theorem (Part 2)
»
How to convert between improper and mixed fractions
»
How to add and subtract fractions
»
How to insert a geometric mean between two numbers
»
How to find the sum of infinitely many terms of geometric progression
»
How to write a repeating decimal as a rational fraction
»
How to find a term and sum of a geometric progression series
»
How to insert the harmonic mean between two numbers
»
How to find a term in a harmonic progression series
»
How to insert arithmetic means between two numbers
»
How to find the sum of terms in an arithmetic progression series
»
How to find the terms of an arithmetic sequence (Part 1)
»
How to deduce the general term for a series
»
How to deduce the general term for a series
»
How to find the maximum using linear programming (Question 3)
»
How to find the maximum using linear programming (Question 2)
»
How to find the optimal value using linear programming (Question 1)
»
How to solve a cubic inequality
»
How to factor a sum or difference of two cubes
»
How to graphically solve linear and nonlinear inequalities
»
How to graph linear inequalities
»
How to convert between BCD and decimal
»
Convert between octal and decimal
»
How to convert IP6 address to binary
»
How to convert IP4 address to binary
»
How to convert between hexadecimal and decimal
»
How to find the remainder of a number without using long division
»
How to convert between hexadecimal and binary
»
How to convert from decimal to binary numbers
»
How to convert from binary to decimal numbers
»
How to find the surface area of solids using integrals
»
How to find the volume of solids using integrals (Part 2)
»
How to plot a hyperbola using a table of values and graph
»
Write a standard form hyperbola equation
»
How to find the center, vertices, foci, and slope for a hyperbola and graph (Question 2)
»
How to find the center, vertices, foci, and slope for a hyperbola and graph (Question 1)
»
How to find the center, vertices, and foci for an ellipse (Question 2)
»
How to find the center, vertices, and foci for an ellipse (Question 1)
»
How to write an equation for an ellipse whose center is at the origin
»
How to find the major and minor axes for an ellipse centered at the origin
»
How to find the vertices and foci of an ellipse whose center is at the origin
»
How to write the equation of a parabolic arch
»
How to find the focus and focal width of a parabola and write its equation
»
How to write an equation for a circle from a diagram
»
How to find the focus of a parabola and write its equation
»
How to perform the factorability test on a quadratic
»
How to find the volume of solids using integrals (Part 1)
»
How to find the points of intersection of two circles
»
How to set up the arc length formula for a function (Question 1)
»
How to find the equation of the tangent for a circle
»
How to convert a general form circle equation to standard form
»
How to write linear equations in general form (Part 1)
»
How to write linear equations in general form (Part 2)
»
How to write an equation of a circle in standard form
»
How to write an equation of a circle in general form
»
How to find the angle of intersection between two lines
»
How to determine if two lines are perpendicular
»
How to use angle of inclination to find the slope
»
How to find the complex impedance for a circuit
»
How to write a sinusoidal expression for current when given voltage and impedance
»
How to represent impedance as a complex number
»
How to convert between sinusoidal and complex polar form for current and voltage expressions
»
How to multiple, divide, and power complex numbers in polar exponential form
»
How to write complex numbers in polar exponential form (and vice versa)
»
How to divide complex polar numbers in polar form
»
How to multiply complex numbers in polar form
»
How to find the imaginary roots of a quadratic using the quadratic formula
»
How to write complex numbers in polar "trigonometric" form (and vice versa)
»
How to use the quadratic formula to find the roots (Question 1)
»
How to model a power function when graphed on log paper
»
How to plot and calculate slope of exponential functions
»
How to calculate decibels gained or lost
»
How to calculate capacitor current when charging or discharging
»
How to rewrite logarithm expressions without logs
»
How to use the Verhulst population model
»
How to use the universal decay curve
»
How to calculate continuous exponential decay
»
How to choose the correct integration method (Part 2)
»
How to choose the correct integration method (Part 1)
»
How to graph polar equation using a table of values
»
How to calculate compound interest continuously
»
How to model *combined variation* equations (Question 3)
»
How to model joint and combined variation equations
»
How to model *combined variation* equations (Question 2)
»
How to model *combined variation* equations (Question 1)
»
How to model *combined variation* equations (Question 1)
»
How to model *joint variation* equations
»
How to model inverse variation (Part 2)
»
How to model inverse variation (Part 3)
»
How to model inverse variation (Part 1)
»
How to model direct variation equations (Part 6)
»
How to model direct variation equations (Part 5)
»
How to model direct variation equations (Part 4)
»
How to model direct variation equations (Part 3)
»
How to model direct variation equations (Part 2)
»
How to model direct variation equations (Part 1)
»
How to solve algebraic proportion problems
»
How to solve equations with fractions using cross-multiplication
»
How to solve trigonometric equations using identities (Multiple Angles, Degrees, Part 4)
»
How to solve trigonometric equations using identities (Multiple Angles, Degrees, Part 3)
»
How to solve trigonometric equations using identities (Multiple Angles, Degrees, Part 2)
»
How to solve trigonometric equations using identities (Multiple Angles, Degrees, Part 1)
»
How to simplify trigonometric functions using double angle identities
»
How to prove trigonometric identities using double angle identities (Question 3)
»
How to prove trigonometric identities using half angle identities
»
How to prove trigonometric identities using double angle identities (Question 2)
»
How to prove trigonometric identities using double angle identities (Question 1)
»
How to prove trigonometric identities using the sum or difference of angles (Question 4)
»
How to prove trigonometric identities using the sum or difference of angles (Question 3)
»
How to prove trigonometric identities using the sum or difference of angles (Question 2)
»
How to prove trigonometric identities using the sum or difference of angles (Question 1)
»
How to expand or simplify trigonometric expressions using the sum or difference of angles
»
How to prove trigonometric identities (Question 2)
»
How to prove trigonometric identities (Question 1)
»
How to prove trigonometric identities (Question 3)
»
How to simplify expressions using trigonometric identities (Part 3)
»
How to simplify expressions using trigonometric identities (Part 2)
»
How to simplify expressions using trigonometric identities (Part 1)
»
How to find two angles that represent the same ratio for tangent
»
How to model alternating voltage and current using the sine wave
»
How to model alternating current using the sine wave
»
How to analyze the sine wave for amplitude, angular velocity, phase angle, etc.
»
How to find the volume and surface area of a sphere
»
Find the lateral area, total surface area, and volume of the frustum (Question 2)
»
How to express a sine wave and cosine wave as a single sine wave (Part 3)
»
How to express a sine wave and cosine wave as a single sine wave (Part 2)
»
How to express two sine waves as a single sine wave (Part 1)
»
Plotting composite curves
»
How to use the Pythagorean Theorem
»
How to find the linear speed
»
How to find the angular displacement
»
How to find the central angle of the arc length (Part 2)
»
How to find the central angle of the arc length (Part 1)
»
How to find the area of a segment in a circle
»
How to find the area of a sector
»
How to find the reference angle for angles less than 360 (Part 1)
»
How to solve word problems involving the cosine law (Question 1)
»
How to use the factor theorem to find roots of a cubic function (with Long Division)
»
How to solve a system of quadratic equations
»
How to plot a quadratic function from a table of values
»
How to find the domain and range of functions (Part 4)
»
How to find the domain and range of functions (Part 3)
»
Solve quadratic problems involving volume
»
How to solve quadratic problems involving uniform motion
»
How to find the domain and range of functions (Part 2)
»
How to divide radicals by its conjugate
»
How to reduce the index of a radical
»
How to rationalize a denominator (Part 2)
»
How to reduce the radical radicand of higher roots (Part 2)
»
How to reduce the radical radicand of square roots (Part 1)
»
How to write fractional exponents into radicals (and vice versa)
»
How to write an algebraic expression without negative exponents (Part 4)
»
How to write an algebraic expression without negative exponents (Part 3)
»
How to solve a linear system with three unknowns using matrices
»
How to write an algebraic expression without negative exponents (Part 2)
»
How to use the quadratic formula to find the roots (Question 2)
»
How to find the inverse of a 3-by-3 matrix
»
How to solve a linear system by the matrix inversion method (Question 3)
»
How to solve a linear system by the matrix inversion method (Question 1)
»
How to inverse a matrix using the shortcut method
»
How to solve a linear system by the matrix inversion method (Question 2)
»
How to inverse a matrix using the transformation method (Part 3)
»
How to inverse a matrix using the transformation method (Part 2)
»
How to write an algebraic expression without negative exponents (Part 1)
»
How to inverse a matrix using the transformation method (Part 1)
»
How to express a rational function as a sum of partial fractions to integrate (Question 5)
»
How to express a rational function as a sum of partial fractions to integrate (Question 4)
»
How to express a rational function as a sum of partial fractions to integrate (Question 3)
»
How to multiply two matrices in a word problem
»
How to multiply two matrices together (Question 2)
»
How to multiply two matrices together (Question 1)
»
How to multiply a row vector to a matrix
»
How to express a rational function as a sum of partial fractions to integrate (Question 2)
»
How to express a rational function as a sum of partial fractions to integrate (Question 1)
»
How to add and subtract (combine) matrices
»
How to use Cramer's rule to solve a 33 system
»
How to find the determinant of a 22 matrix (fast way)
»
How to use Cramer's rule to solve a 22 system (Question 1)
»
How to find the determinant of a 33 matrix (diagonal trick)
»
How to solve word problems with two unknowns (Question 4, Electricity Application)
»
How to solve word problems with two unknowns (Question 4, Electricity Application)
»
How to solve word problems with two unknowns (Question 3)
»
How to solve word problems with two unknowns (Question 2, Work Application)
»
How to integrate using inverse trigonometric substitution (Question 6)
»
How to solve word problems with two unknowns (Question 1, Mixture Application)
»
How to solve rate problems leading to fractional equations (Question 3, Flow Rate)
»
How to convert verbal statements into algebraic equations (Part 4)
»
How to simplify complex fractions
»
How to solve rate problems leading to fractional equations (Question 2, Work Application)
»
How to add and subtract algebraic fractions (Part 2)
»
How to add and subtract algebraic fractions (Part 1)
»
How to convert verbal statements into algebraic equations (Part 2)
»
How to convert verbal statements into algebraic equations (Part 3)
»
How to convert verbal statements into algebraic equations (Part 1)
»
»
Calculate the mean for grouped data
»
How to use a tree diagram to find the probability
»
How to calculate the probability of complementary events (Part 1)
»
How to calculate theoretical probability (Part 1)
»
How to determine the interquartile range
»
How to calculate mean, median, and mode
»
How to simplify expressions containing parentheses, square and curly brackets (Part 2)
»
How to find all angles of a triangle when only the side lengths are given
»
How to determine the x- and y- intercepts of a linear equation
»
How to use the discriminant to determine the value of k in a quadratic with one real root
»
How to determine the *max / min* of a quadratic equation using h = -b/2a
»
How to find the equation of a line that is perpendicular to a line passing through a point
»
How to use the discriminant to determine the value of k in a quadratic with no real roots
»
How to solve application problems containing quadratics (Question 3)
»
How to calculate the future value of a mutual fund
»
How to calculate fuel costs
»
How to create a table of values displaying commission and earnings (Question 2)
»
How to create a table of values displaying commission and earnings (Question 1)
»
How to determine the commission of a sale
»
How to solve any percent concentration problem
»
How to solve any percent error problem
»
How to solve any percent efficiency problem
»
How to solve any percent change problem
»
Solve simple percent word problems (Part 2)
»
How to integrate using inverse trigonometric substitution (Question 3)
»
Solve simple percent word problems (Part 1)
»
Convert percent to decimals and fractions
»
How to integrate using inverse trigonometric substitution (Question 2)
»
How to integrate using inverse trigonometric substitution (Question 1)
»
Convert fractions to decimals and percent
»
How to combine approximate and exact numbers when considering significant digits
»
How to convert from degrees to degrees, minutes, seconds using your Fx-991ES Plus calculator
»
How to quickly find the vertex of a quadratic equation that is in standard form
»
How to combine and sketch transformations of a sinusoidal function (Question 2) (y=a*sinb(xc)+d)
»
How to combine and sketch transformations of a sinusoidal function (Question 1) (y=a*sinb(xc)+d)
»
How to describe transformations of a sinusoidal function (y=a*sinb(xc)+d)
»
How to reflect a sinusoidal function across the x-axis (y=a*sinb(xc)+d)
»
How to vertically stretch and compress a sinusoidal function (y=a*sinb(xc)+d)
»
How to horizontally shift a sinusoidal function (y=a*sinb(xc)+d)
»
How to vertically shift a sinusoidal function (y=a*sinb(xc)+d)
»
How to find the unknown angle of a triangle using the sine law (Part 2)
»
How to find the unknown angle of a triangle using the sine law (Part 1)
»
How to solve a trigonometric problem involving two right triangles (Question 2)
»
How to solve a trigonometric problem involving two right triangles (Question 1)
»
How to choose the right payment plan with changing conditions (Question 5)
»
How to calculate RRSP using the annuity formula
»
How to calculate RRSP using the annuity formula
»
How to calculate credit card interest when the interest is compounded
»
How to calculate present value using the compound interest formula (Question 2)
»
How to calculate present value using the compound interest formula (Question 1)
»
How to calculate compound interest (Part 2)
»
How to calculate compound interest (Part 1)
»
How to calculate simple interest (Part 4; P = I/rt)
»
How to calculate simple interest (Part 5; r = I/Pt)
»
How to calculate simple interest (Part 3)
»
How to calculate simple interest (Part 2)
»
How to calculate simple interest (Part 1)
»
How to integrate trigonometric functions containing both tangent and secant (Question 2)
»
How to integrate trigonometric functions containing both tangent and secant (Question 1)
»
How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc.
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How to solve application problems containing exponential equations
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How to integrate trigonometric functions containing tangent and sine with odd powers
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How to determine an exponential relation from a table of values
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How to integrate trigonometric functions containing sine and cosine with odd powers (Part 2)
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How to integrate trigonometric functions containing sine and cosine with odd powers (Part 1)
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How to simplify algebraic expressions with fractional exponents (Part 2)
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How to sketch a quadratic equation using transformations after completing the square (Question 2)
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How to sketch a quadratic equation using transformations after completing the square (Question 1)
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How to use transformations to graph quadratic equations in vertex form
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How to find the average atomic mass of an element
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How to analyze transformations of a quadratic equation that is in vertex form
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How to solve radioactive decay half-life problems (Question 3)
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How to vertically shift a quadratic function along the y-axis
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How to factor a polynomial by grouping (Part 1)
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How to factor and solve quadratic trinomials (Part 2)
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How to factor and solve quadratic trinomials (Part 1)
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How to horizontally shift a quadratic function along the x-axis
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How to find when Celsius and Fahrenheit are the same temperature
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How to reflect the quadratic function relative to the x-axis
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How to vertically stretch and compress the quadratic function
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How to use the discriminant to determine the number of roots for any quadratic equation
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How to fully analyze the standard and factored form of a quadratic equation (Question 2)
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How to fully analyze the standard and factored form of a quadratic equation (Question 1)
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How to solve application problems containing quadratics (Question 2)
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How to solve application problems containing quadratics (Question 1)
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How to determine if a quadratic equation has a maximum or minimum when given the roots
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How to sketch a quadratic equation that is in standard form (Question 2)
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How to sketch a quadratic equation that is in standard form (Question 1)
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How to expand a polynomial (Part 2)
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How to expand a polynomial (Part 1)
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How to common factor an expression
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How to write a quadratic expression of a shaded area
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How to classify whether an equation is linear, quadratic, or cubic
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How to integrate by parts when "going in circles"
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How to determine if a table of values represents a linear or quadratic relationship
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How to determine if a table of values represents a function
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How to create a frequency table and histogram from raw data
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How to find the unknown angle using *inverse* trigonometric ratios (Part 1)
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How to solve angle of elevation problems in right triangles
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How to solve angle of depression problems in right triangles
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How to find the volume and surface area of any cylinder
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How to find the volume and surface area a rectangular prism
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How to find the volume and surface area of any triangular prism
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How to find the area of composite figures (Part 2)
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How to find the area of composite figures (Part 1)
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How to solve problems involving the area of a rectangle
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How to convert between imperial and metric units (Part 3)
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How to convert between imperial and metric units (Part 2)
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How to convert between imperial and metric units (Part 1)
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How to calculate monthly mortgage amortization payments (Question 3)
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How to solve optimization problems in calculus (Question 7)
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How to calculate monthly mortgage amortization payments (Question 2)
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How to calculate monthly mortgage amortization payments (Question 2)
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How to calculate monthly mortgage amortization payments (Question 1)
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How to calculate mortgage payments (Question 2 of 2)
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How to calculate mortgage payments (Question 1 of 2)
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How to choose the right payment plan with changing conditions (Question 4)
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How to choose the right payment plan with changing conditions (Question 3)
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How to choose the right payment plan with changing conditions (Question 2)
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How to choose the right payment plan with changing conditions (Question 1)
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How to derive the quadratic formula
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How to calculate present value of an ordinary annuity (Question 4)
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How to calculate present value of an ordinary annuity (Question 3)
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How to calculate present value of an ordinary annuity (Question 2)
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How to calculate regular payments or deposits using the annuity formula (Question 2)
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How to calculate present value of an ordinary annuity (Question 1)
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How to calculate regular payments or deposits using the annuity formula (Question 1)
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How to calculate simple annuity when compounded quarterly (Part 2)
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How to evaluate algebraic expressions with given terms
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How to calculate simple annuity when compounded semi-annually (Part 1)
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How to create a table of values from an equation and graph
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How to analyze trends found in graphs
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How to rearrange formulas to isolate for a variable
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How to solve equations containing rational exponents greater than 2
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How to solve first-degree equations (Part 2)
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How to solve an exponential problem using a table of values (Question 2)
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How to solve first-degree equations (Part 1)
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How to setup and solve a half-life problem using a table of values
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How to solve exponential equations without logarithms (Part 2)
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How to solve exponential equations without logarithms (Part 1)
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How to simplify algebraic expressions with fractional exponents (Part 1)
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How to find the average value of a function (Part 2)
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Understanding the laws of exponents
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How to avoid 5 common math mistakes
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How to detemine the PH of a solution when given the hydrogen concentration
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How to solve ratio problems related to chemistry
»
How to convert units of any rate to another (Part 3)
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How to perform conversions between units with prefixes ranging from pico to mega
»
How to solve trigonometric equations that contain *cosine* using special triangles (Part 2)
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How to use the laws of exponents to simplify an expression (Part 2)
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How to solve trigonometric equations that contain *cosine* using special triangles (Part 1)
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How to solve trigonometric equations that contain *sine* using special triangles (Part 2)
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How to solve trigonometric equations that contain *sine* using special triangles (Part 1)
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How to solve a word problem involving trigonometric models (Question 2)
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How to solve a word problem involving trigonometric models (Question 1)
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How to find the domain when sine and cosine are in the same function
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How to find the domain and range of the trigonometric function, sine, cosine, and tangent
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How to evaluate angles using cosecant, special triangles, and the unit circle (Part 3)
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How to evaluate radian angles using SINE, special triangles, the unit circle (Part 1)
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How to add, subtract, multiply, and divide using the rules of significant digits (Part 2)
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How to add, subtract, multiply, and divide using the rules of significant digits (Part 1)
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How to round numbers with significant digits
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How to count for the correct number of significant digits
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How to find the tangential and normal components of a vector
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How to find the resultant vector in the first quadrant
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How to find the resultant vector in the first quadrant
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How to resolve a vector found in quadrant I
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How to solve radioactive decay half-life problems (Question 2)
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How to solve radioactive decay half-life problems (Question 1)
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How to solve an exponential growth problem involving bacterial growth (Question 1)
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How to solve an exponential growth problem involving bacterial growth (Question 2)
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How to transform the natural logarithmic function (lnx)
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How to transform the natural exponential function (e^x)
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How to find an unknown angle using reciprocal trigonometric functions
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How to find the domain of a natural logarithmic functions (Part 2)
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How to find the domain and range of natural logarithmic functions (Part 1)
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How to use the logarithm laws to simplify logarithmic expressions (Part 1)
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How to use the laws of exponents to simplify an expression (Part 1)
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How to set up and solve linear models (Question 4)
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How to set up and solve linear models (Question 3)
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How to set up and solve linear models (Question 2)
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How to set up and solve linear models (Question 1)
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How to sketch a cosine function with transformations (Question 2 of 2)
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How to find the equation of a line passing through two points
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How to solve LINEAR equations involving absolute values (Part 1)
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How to find the equation of a line that is parallel to a line passing through a point
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How to solve LINEAR inequalities with absolute values (Part 2)
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How to solve LINEAR inequalities with absolute values (Part 1)
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How to find the intervals where a function is satisfied using inequalities
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How to convert from radians to degrees, minutes, seconds
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How to solve a three-part linear inequality
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How to solve LINEAR inequalities (Part 1)
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How to solve fractional equation by finding the lowest common denominator (Part 2)
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How to convert units of any rate to another (Part 2)
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How to convert one unit of measurement to another unit
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How to solve fractional equations by factoring (Part 1)
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How to combine two or more polynomial fractions into a single rational expression
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How to evaluate and sketch a piecewise function pertaining to tax (Part 3)
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How to evaluate and sketch a piecewise function containing absolutes (Part 2)
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How to evaluate and sketch a piecewise function (Part 1)
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How to find the inverse of any function (Part 2)
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How to shift and reflect a square root function using transformations
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How to stretch or compress a function using transformations
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How to sketch a cubic function using transformations
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How to find the domain of a function (Part 3)
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How to find the domain of a function (Part 2)
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How to find the domain and range of a function (Part 1)
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How to evaluate composite functions (fgh) (Part 3)
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How to apply integration by parts on a single function
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How to apply integration by parts more than once
»
How to integrate by parts for definite integrals
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How to find the average value of a function (Part 1)
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How to use the mean value theorem for integrals
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How to use the mean value theorem for integrals
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How to integrate by parts (Part 1)
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How to choose the correct u and dv when you integrate by parts
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How to find the area between two curves using integrals (Part 1)
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How to perform the substitution method for definite integrals (Part 2)
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How to perform the substitution method for definite integrals (Part 1)
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How to perform the substitution rule with integrals (Part 2)
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How to perform the substitution rule with integrals (Part 1)
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How to find the indefinite integral of a function
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How to find the definite integral using the fundamental theorem of calculus (Part 3)
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How to find the definite integral using the fundamental theorem of calculus (Part 2)
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How to find the definite integral using the fundamental theorem of calculus (Part 1)
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How to find the area of a function using limits and Riemann sums
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How to approximate the area of a function using midpoints (Part 1)
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How to use right endpoints to find an expression showing the area of a function
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How to find the constant (C) after finding the anti-derivative
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How to find the anti-derivative of a function (Part 3)
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How to find the anti-derivative of a function (Part 2)
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How to find the anti-derivative of a function (Part 1)
»
How to solve optimization problems in calculus (Question 5)
»
How to solve optimization problems in calculus (Question 6)
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How to solve optimization problems in calculus (Question 4)
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How to solve optimization problems in calculus (Question 3)
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How to solve optimization problems in calculus (Question 2)
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How to solve optimization problems in calculus (Question 1)
»
How to use the squeeze theorem to find the limit of a function
»
How to sketch a function using calculus (Question 1)
»
How to use LHospitals Rule to find the limit of a function (Part 3)
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How to use L'Hospital's Rule to find the limit of a function (Part 2)
»
How to use LHospitals Rule to find the limit of a function (Part 1)
»
How to sketch a graph of a function using calculus only
»
How to perform the concavity test and second derivative test for a function (Part 1)
»
How to prove a limit exists using delta and epsilon
»
How to know when a function is increasing or decreasing using calculus
»
How to use the mean value theorem in calculus
»
How to use the closed interval method to find absolute maximum and minimum values
»
How to find the critical numbers of a function
»
How to perform differentials in calculus
»
How to perform linear approximations in calculus
»
How to find the derivatives of inverse hyperbolic functions
»
How to find the derivatives of hyperbolic functions
»
Find the derivative when the base and exponent contain a variable (x)
»
How to find the derivative of natural logarithmic functions (Part 1)
»
How to prove the derivative of the general logarithmic function
»
How to find the second derivative of a function (Part 1)
»
How to use implicit differentiation with higher order derivatives
»
How to evaluate a cubic function containing the constant k
»
How to evaluate trigonometric functions when theta is an inverse trigonometric function
»
How to find the derivatives of inverse trigonometric functions (Part 1, with Proof)
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How to substitute into functions and evaluate when x is given (Part 1)
»
How to find the derivatives of inverse trigonometric functions (Part 1, with Proof)
»
How to use implicit differentiation (Part 1)
»
How to find the derivatives of exponential functions (Part 1)
»
How to find derivatives of reciprocal trigonometric functions
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How to find the derivatives of trigonometric functions using the chain rule (Part 2)
»
How to find the derivatives of trigonometric functions using the chain rule (Part 2)
»
How to find the derivatives of trigonometric functions using the chain rule (Part 1)
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How to use the chain rule to find the derivative of a function (Part 1)
»
How to use the quotient rule to find the derivative of a function (Part 1)
»
How to use the product rule to find the derivative of a function (Part 1)
»
How to find the limits of trigonometry functions
»
How to find derivatives of trigonometric functions
»
How to evaluate limits using algebra and the limit laws (Part 2)
»
How to solve equations involving natural logarithm (ln)
»
How to write a composite function f(g(x)) and g(f(x)) (Part 2)
»
How to evaluate limits using algebra and the limit laws (Part 1)
»
How to find angles that represent a ratio for reciprocal trigonometric functions
»
How to find angles (in radians) that represent a trigonometric ratio
»
How to create a price index to calculate inflation for a basket of goods
»
How to convert between radians and degrees
»
How to fit an exponential model to data
»
Find the quartiles and percentiles for a data set
»
How to find the resultant vector of two vectors separated by a known angle
»
How to use the cosine law to solve a triangle
»
How to use the sine law to solve a triangle
»
How to use trigonometric functions to solve any right triangle
»
How to find the unknown angle using *inverse* trigonometric ratios (Part 2)
»
How to write a quadratic equation in general form when a graph is shown
»
How to find the maximum and minimum of a quadratic relation
»
How to complete the square
»
How to determine an equation in factored form from a graphed parabola
»
How to graph quadratic equations that are in factored form y=a(xr)(xs)
»
How to determine an equation in vertex form of a parabola
»
How to graph quadratic equations that are in vertex form
»
How to find the first and second differences for any table of values
»
How to verify that the center of a circle lies on the right bisector a cord
»
How to find the equation of a right bisector
»
How to solve a distance, time, speed problem using linear algebra
»
How to determine the equation for the median of a triangle
»
How to solve a linear algebraic bank interest problem with two unknowns
»
How to solve a linear algebraic mixture problem with two unknowns
»
How to find the midpoint of a line segment
»
How to find the point of intersection of two straight lines by graphing
»
How to find the sum of the interior angles of any polygon
»
How to graph line equations without a table of values
»
How to find the slope of a line using any two points
»
How to find the distance of any line segment
»
How to find the inverse of any function (Part 1)
»
How to solve logarithmic equations
»
How to solve logarithmic equations
»
How to solve exponential equations with base e
»
How to divide radicals
»
How to multiply radicals
»
How to add and subtract radicals
»
How to rationalize any denominator (Part 1)
»
How to divide imaginary terms and complex numbers
»
How to multiply a complex number by its conjugate
»
How to graph complex numbers
»
How to multiply imaginary numbers
»
How to evaluate the imaginary unit "i" at any exponent (i, i ... i)
»
How to add and subtract complex numbers
»
How to convert equations from rectangular to polar form (Part 1)
»
How to convert equations from polar to rectangular form
»
How to find the equation of a cosine curve (Question 1)
»
How to create a sine equation when the curve (wave) is given
»
How to write a sine function when given the amplitude, period, and phase shift
»
How to sketch a cosine function with transformations (Question 1 of 2)
»
How to plot a sine function with a negative amplitude and phase-shift (Question 3 of 3)
»
How to plot a sine function containing an amplitude and phase shift (Question 2 of 3)
»
How to plot a sine function containing an amplitude and phase-shift (Question 1 of 3)
»
How to solve a linear system with three unknowns using substitution (Question 2 of 2)
»
How to solve a linear system with three variables without matrices (Question 1 of 2)
»
How to solve a non-linear system with variables in the denominator (Question 2 of 2)
»
How to solve a non-linear system with variables in the denominator (Question 1 of 2)
»
How to solve a linear system with fractional coefficients
»
How to solve a linear system by the substitution method
»
How to solve a linear system using ELIMINATION (Addition-Subtraction Method)
»
How to factor, solve, and graph a quadratic equation by hand
»
How to use your Fx-991ES Plus Calculator to find the roots of a quadratic equation
»
How to manually find the mean, variance, and standard deviation for a set of numbers
»
How to factor a trinomial by decomposition ("a" greater than 1)
»
How to factor a perfect square trinomial
»
How to factor a trinomial using trail-and-error
»
How to find the resultant vector of three or more vectors
»
How to find the X and Y components of any vector
»
How to find the resultant vector of any two vectors
»
How to solve an ambiguous case triangle using the sine and cosine law
»
Find the lateral area, total surface area, and volume of the frustum (Question 1)
»
Find the area of a triangle given its three sides (Heron's formula)
»
How to Graph Parametric Equations Manually
»
How to convert *decimal degrees* to degrees, minutes, seconds
»
How to convert degrees, minutes, seconds to degrees
»
Movement of Joints Animation
»
Joint Classification Animation
»
Skeletal Anatomy Animation
»
Wrist Flexion/Extension Animation
»
Wrist Circumduction Animation
»
Wrist Circumduction Animation
»
Humerus Rotation Animation
»
Humerus Rotation Animation
»
Humerus Circumduction Animation
»
Hand Opposition Animation
»
Elbow Pronation/Supination Animation
»
Elbow Flexion/Extension Animation
»
Ankle Inversion/Eversion Animation
»
Ankle Dorsiflexion/Extension Animation
»
How to calculate the homozygous dominant frequency of a population
»
How to write any number in engineering notation
»
How to write any number in scientific notation (Part 1)
»
Why doesn't the moon fall down?
»
Movement of Oxygen and Carbon Dioxide in the Body
»
How to solve a quadratic flow rate problem
»
How to write an equation in general form of a perpendicular line passing through the point
»
How to solve an upper-limit, exponential decay problem
»
How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?
»
Find the speed after 40.0 min if the initial speed is 3250 rev/min.
»
How to solve a half-life problem using exponential decay and natural log (y = ae)
»
Find the temperature of the room (above the outside temperature) at the end of 120 min.
»
Write the equation for the population y at any instant.
»
By how many times will the population of bacteria have increased after 6 h?
»
Bacterial Conjugation
»
Find the final amount if the initial amount is400 units.
»
X-Ray Flare from Black Hole
»
Super massive Black Hole
»
Death of the Sun Part I
»
Coin and Feather
»
Stellar Disk Around a Black Hole
»
Milky Way Black Hole
»
Hubble Deep Field Zoom Sequence
»
Death of the Sun Part II
»
Crab Nebula Pulsar
»
Black Hole Swallows a Star
»
Black Hole in Galaxy M87
»
Black Hole Geometry
»
Black Hole Eats a Neutron Star
»
The Big Bang
»
Respiratory System Review
»
Ultrasound of Human Fetus
»
Hydra Budding
»
Sea Urchin Embryonic Development (Time Lapse)
»
Animal Mitosis (Time Lapse)
»
Paramecium Cilia
»
Chlamydomonas
»
Cytoplasmic Streaming
»
Paramecium Vacuole
»
How Bones Grow
»
How Bones Grow
»
Hemoglobin Breakdown (Biochemical Animation)
»
B Vitamin Animation Video
»
mRNA Synthesis Animation Video
»
Protein Synthesis Animation Video
»
Active Transport by Group Translocation Animation Video
»
Bacterial Spore Formation Animation Video
»
A-B Toxin Exotoxin Animation Video
»
HIV / AIDS Replication Animation Video