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Math
Algebra
114 videos
Pre-Algebra
Order of Operations
Solving Equations
Solving Single-step Equations
Solving and Graphing Inequalities
Linear Inequalities
Solving and Graphing Inequalities
Solving and Graphing Compound Inequalities
Absolute Value
Definitions and Applications of Absolute Value
Graphs and Functions
Plotting Points and Naming Quadrants
Linear Equations and Their Graphs
Definition of Slope
Linear Equations and Their Graphs
Finding the Slope of a Line from a Graph
Solving Systems of Equations
Introduction to Systems of Equations
Word Problems Using Systems of Equations
Mixture Problems
Exponents
Introduction to Exponents
Polynomials
Polynomial Vocabulary
Factoring
Greatest Common Factors
Quadratic Equations and Functions
Exploring Quadratic Graphs
Quadratic Equations and Functions
Dilations of Quadratic Graphs
Radical Expressions and Equations
Simplifying Radical Expressions
Rational Expressions and Functions
介绍理性的功能
Introduction to Statistics
Mean
Geometry
34 videos
Geometry Building Blocks
Three Undefined Terms: Point, Line, and Plane
Geometry Building Blocks
Parallel and Skew Lines
Reasoning, Diagonals, Angles and Parallel Lines
Inductive Reasoning
结构
Duplicating a Line Segment
Triangles
Triangle Angle Sum
Polygons
Polygon Angle Sum
Circles
Locus and Definition of a Circle and Sphere
Transformations
Transformations and Isometries
Area
Area of Parallelograms
Pythagorean Theorem
Pythagorean Theorem Proofs
Volume
3-D Solid Properties
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Solving Proportions
Basic Trigonometry
Trigonometric Ratios: Sine
Algebra 2
127 videos
Graphs of Linear Equations
Finding the Slope of a Line from a Graph
Exponents
Introduction to Exponents
Quadratic Equations and Inequalities
Dilations of Quadratic Graphs
Real Numbers
Introduction to Real Numbers
Linear Equations
Solving Linear Equations
Linear Inequalities
Solving Linear Inequalities
Functions
Introduction to Functions
Systems of Linear Equations
Solving a System of Linear Equations in Two Variables
Matrices
Introduction to Matrices
Polynomials
Introduction to Polynomials
Polynomials
Pascal's Triangle
Factoring
Review of the Methods of Factoring
Rational Expressions and Functions
Definition and Domain of a Rational Expression
Roots and Radicals
Introduction to Radicals
Inverse, Exponential and Logarithmic Functions
Definition of One-to-One Functions
Inverse, Exponential and Logarithmic Functions
Exponential Functions and their Graphs
Conic Sections
Introduction to Conic Sections
Sequences and Series
Introduction to Sequences
Combinatorics
Introduction to Probability
Additional Topics
Step Functions
Trigonometry
15 videos
Pythagorean Theorem
Pythagorean Theorem Proofs
Basic Trigonometry
Trigonometric Ratios: Sine
Trigonometric Functions
Radian Measure of Angles
Advanced Trigonometry
The Inverse Sine Function
Precalculus
78 videos
Linear Equations and Inequalities
Solving and Graphing Compound Inequalities
Equations of Lines, Parabolas and Circles
Parallel and Skew Lines
Basic Trigonometry
Trigonometric Ratios: Sine
Linear Equations and Inequalities
Solving Linear Equations
Linear Equations and Inequalities
Solving Linear Inequalities
Topics in Discrete Math
Pascal's Triangle
Exponential and Logarithmic Functions
Exponential Functions and their Graphs
Conic Sections
Introduction to Conic Sections
Sequences and Series
Introduction to Sequences
Topics in Discrete Math
Introduction to Probability
Equations of Lines, Parabolas and Circles
Computing Difference Quotients
Introduction to Functions
Computing Difference Quotients
Polynomial and Rational Functions
Power Functions
Trigonometric Functions
Radian Measure of Angles
Advanced Trigonometry
The Inverse Sine Function
Vectors and Parametric Equations
The Geometric Representation of Vectors
Polar Coordinates and Complex Numbers
Introduction to Polar Coordinates
Systems of Linear Equations and Matrices
Square Matrices
Calculus
18 videos
Limits and Continuity
Limits: A Numerical Approach
The Derivative
Average Velocity
Techniques of Differentiation
The Product Rule
Applications of the Derivative
Intervals of Increase and Decrease
Antiderivatives and Differential Equations
Definition of Antiderivatives
The Definite Integral
Approximating Area Using Rectangles
Pre-Algebra
40 videos
Whole Numbers
Rounding
Integers
Addition and Subtraction
Prime Numbers
Divisibility
Fractions and MIxed Numbers
Multiplying and Reducing Fractions
Decimals and Percents
Writing, Reading Decimals
Solving Equations and Inequalities
Translating Words into Equations
Polynomials
Substituting and Evaluating
Graphing in Two Dimensions
(x,y) Coordinates and Plotting Points
Introductory Geometry
Pythagorean Theorem
Introductory Statistics
Representing Data
Properties of Numbers
Commutative, Associative
Science
Biology
17个视频
Foundation of Biology
Biology Definition
Foundation of Biology
Scientific Method Steps
Chemical Basis of Life
Chemistry Carbohydrates
Parts of a Cell
Cell Overview
Cell Functions and Processes
Osmosis
Cell Division and Reproduction
Chromosome
Mendelian Genetics
Law of Segregation
Molecular Biology
DNA Structure
Evolution
Darwins Theory of Evolution
Classification
Classification Overview
The Human Body
Tissues And Organs
Plants
Plant Structure
Ecology
Ecology Overview
Communities and Ecosystems
Biology Community
Conservation Biology
Biodiversity
Chemical Basis of Life
Physical Matter Properties - Chemical Matter Properties
Chemical Basis of Life
Atomic Structure
Chemistry
27 videos
Introduction to Chemistry
Scientific Method Steps
Biochemistry
Chemistry Carbohydrates
Chemical Solutions
Osmosis
Matter
Physical Matter Properties - Chemical Matter Properties
Matter
Law of Definite Proportions - Law of Multiple Proportions
The Atom
Atomic Structure
The Periodic Table
Periodic Table Overview
Chemical Bonds
Ionic Bond
Chemical Reactions
Chemical Equations
Kinetic-Molecular Theory
Three States of Matter
Chemical Reaction Rates
Collision Theory
Chemical Equilibrium
Chemical Equilibrium Definition
Acids and Bases
Acid and Base Properties
Electrochemistry
Oxidation Reduction Reactions - Redox
Organic Chemistry
Hydrocarbons
Nuclear Chemistry
Nuclear Reactions
Nuclear Chemistry
Beta Decay
Thermochemistry
Specific Heat
Thermochemistry
Conservation of Energy
Physics
17个视频
Introduction to Physics
Scientific Method Steps
The Atom and Quantum Physics
Law of Definite Proportions - Law of Multiple Proportions
Nuclear Physics
Beta Decay
Linear and Projectile Motion
Relativity in Motion
Newton's Laws of Motion
Law of Inertia - Newton's First Law of Motion
Circular Motion and Rotational Mechanics
Rotation and Revolution
Energy and Momentum
Energy
Energy and Momentum
Conservation of Energy
Heat and Thermodynamics
Conservation of Energy
Gravitation
Gravity Overview
Heat Transfer and Change of Phase
Thermal Energy Transfer
Solids, Liquids and Gases
Density
Vibration and Waves
Wave Characteristics
Electricity
Conservation of Charge - Electric Charge
Magnetism
Magnetic Fields
Light
Electromagnetic Waves
Oscillatory Motion
Hooke's Law
English
Grammar
5 videos
Parts of Speech
Nouns
Sentence Basics
Independent Clause and Dependent Clause
Sentence Problems
Comma Rules
Punctuation
Grammar Colons
Voice and Style
Redundancy and Wordiness
Writing
4 videos
Parts of an Essay
Essay Hook
Types of Essays
College Essay
Writing Process
Prewriting
Writing Terms
Setting in Story
Literature
6 videos
The Great Gatsby
The Great Gatsby
Macbeth
Macbeth
Lord of the Flies
Lord of the Flies
Death of a Salesman
Death of a Salesman
Catcher in the Rye
Catcher in the Rye
To Kill a Mockingbird
To Kill a Mockingbird
Test Prep
ACT
6 videos
About the ACT
The ACT Test
ACT English
ACT English Section
ACT Math
ACT Math Section
ACT Reading
ACT Reading Section
ACT Science
ACT Science Section
ACT Writing
ACT Writing Section
The ACT Red Book
375 videos
Test 1
English
Test 2
English
Test 3
English
Test 4
English
Test 5
English
AP US Government
4 videos
美联社美国政府测试
Introduction
AP US Government Videos
American Government
AP US Government Review
Synthesizer: Voting Rights Time line
AP US Government Practice
Free Response Skills Practice
AP US History
4 videos
The AP US History Test
Introduction
AP US History Videos
History as Mystery
AP US History Review
The Big End
AP US History Practice
Free Response Skills Practice
AP Biology
4 videos
The AP Biology Test
The AP Biology Test
AP Biology Videos
Organic Molecules
AP Biology Review
Synthesizer: Study Plan
AP Biology Practice
Free Response Skills Practice
AP Calculus AB
4 videos
The AP Calculus Test
About the Course & AP Exam Strategies
AP Calculus Videos
AP Tricks, Part 1
AP Calculus Review
Synthesizer: Test Analysis
AP Calculus Practice
Free Response Skills Practice
College counseling
4 videos
How to get better grades
Choosing Courses for Freshman Year
Test Prep
Which Standardized Tests Do I Need to Take?
Extracurricular activities and internships
Summer Planning
Make your college application shine
What can I do during the summer to work on my applications?
Nail your college essay
How do I start writing my college essay?
Life in high school
Start Your Summer Planning
Financial Aid and Scholarships
How to Apply for Financial Aid
Old SAT
36 videos
About the SAT
How to Take the SAT
About the SAT
Tips for the SAT
About the SAT
SAT Test Day
SAT Writing
SAT Writing
SAT Writing
SAT Essay, Part I
SAT Writing
SAT Essay, Part II
SAT Writing
Comma Splices
SAT Writing
Word Choice
SAT Writing
Gerunds
SAT Writing
Logical Comparison
SAT Writing
Logical Coordination
SAT Writing
Modifiers
SAT Writing
Parallelism
SAT Writing
Pronoun Case
SAT Writing
Pronoun Reference, Part I
SAT Writing
Pronoun Reference, Part II
SAT Writing
Subject-verb Agreement, Part I
SAT Writing
Subject-verb Agreement, Part II
SAT Writing
SAT Tense
SAT Writing
SAT Writing Tips
SAT Math
SAT Math Questions
SAT Math
Turning Variables into Numbers, Part I
SAT Math
Turning Variables into Numbers, Part II
SAT Math
Plugging In Answers
SAT Math
Use Your Figures
SAT Math
Order of Difficulty
SAT Math
Math-English Dictionary
SAT Math
SAT Math Tips
SAT Reading
SAT Reading
SAT Reading
SAT Vocabulary
SAT Reading
Sentence Completion, Part I
SAT Reading
Sentence Completion, Part 2
SAT Reading
Sentence Completion, Part 3
SAT Reading
SAT Passages - How to Read
SAT Reading
SAT Passage Questions - How to Approach
SAT Reading
SAT Passage Questions - Avoiding Wrong Answer Choices
Old PSAT
8 videos
PSAT Prep
About the PSAT
PSAT Prep
National Merit Scholarship Program
PSAT Prep
PSAT Test Taking Strategies
PSAT Prep
Strategies for the Critical Reading Section
PSAT Prep
Strategies for the Math Section
PSAT Prep
Strategies for the Writing Section
PSAT Prep
Top 5 Things to Study for the PSAT
PSAT Prep
What to Do (and Not to Do) the Night Before the PSAT
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