国际课程通用中学数学-Algebra 2 代数2

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免费可汗通用中学数学-Algebra 2 代数2 原版无字幕无翻译

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免费 Combining like terms introduction (04:32)

免费 Combining like terms, but more complicated (00:00)

免费 Examples of simplifying expressions involving rational numbers (00:00)

免费 Factoring algebraic expressions using the distributive property (00:00)

免费 Example 1: Factor a linear binomial by taking a common factor (00:00)

免费 How to simplify an expression by combining like terms and the distributive property (00:00)

免费 Equivalent expressions with distribution and negative numbers (00:00)

免费 Multiplying & dividing powers (integer exponents) (00:00)

免费 Multiplying binomials intro (00:00)

免费 Example 1: Multiplying a binomial by a binomial (00:00)

免费 Special products of the form (x+a)(x-a) (00:00)

免费 Squaring binomials of the form (x+a)ÃÂ² (00:00)

免费 Example 1: Multiplying binomials to get a difference of squares (00:00)

免费 Example 2: Finding the square of a binomial with one variable (00:00)

免费 Factoring quadratics as (x+a)(x+b) (00:00)

免费 Factoring quadratics as (x+a)(x+b) (example 2) (00:00)

免费 More examples of factoring quadratics with a leading coefficient of 1 (00:00)

免费 More examples of factoring by grouping (00:00)

免费 Example 2: Factoring quadratics by grouping (00:00)

免费 Example 3: Factoring quadratics by taking a common factor and grouping (00:00)

免费 Example 4: Factoring quadratics by taking a negative common factor and grouping (00:00)

免费 Difference of squares intro (00:00)

免费 Example 2: Factoring a difference of squares with leading coefficient other than 1 (00:00)

免费 Factoring difference of squares: analyzing factorization (00:00)

免费 Factoring difference of squares: shared factors (00:00)

免费 Perfect square factorization intro (00:00)

免费 Example 4: Factoring quadratics as a perfect square of a difference: (a-b)^2 (00:00)

免费 Identifying perfect square form (00:00)

免费 Example 3: Factoring quadratics as a perfect square of a sum: (a+b)^2 (00:00)

免费 Factoring perfect squares: missing values (00:00)

免费 Factoring perfect squares: shared factors (00:00)

免费 Why we do the same thing to both sides: Multi-step equations (00:00)

免费 Introduction to solving an equation with variables on both sides (00:00)

免费 Example 2: Variables on both sides (00:00)

免费 A clever application of the distributive property to solve a multi-step equation (00:00)

免费 Ex 2: Multi-step equation (00:00)

免费 Solving equations with the distributive property (00:00)

免费 Checking solutions to systems of equations example (00:00)

免费 Solving systems of equations graphically (00:00)

免费 Systems of equations with graphing: exact & approximate solutions (00:00)

免费 Talking bird solves systems with substitution (00:00)

免费 Solving systems of linear equations with substitution example (00:00)

免费 Why we do the same thing to both sides basic systems (00:00)

免费 Strategies for eliminating variables in a system examples (00:00)

免费 Solving system with elimination (00:00)

免费 Systems of equations with elimination (and manipulation) (00:00)

免费 Worked example: equivalent systems of equations (00:00)

免费 Worked example: non-equivalent systems of equations (00:00)

免费 Introduction to square roots (00:00)

免费 Understanding square roots (00:00)

免费 Example: Solving simple quadratic (00:00)

免费 Solving quadratics by taking square roots examples (00:00)

免费 Determining mistakes in steps example (00:00)

免费 Order of steps exercise example (00:00)

免费 Solving a quadratic equation by factoring (00:00)

免费 Solving quadratics by factoring: leading coefficient Ã¢Â Â 1 (00:00)

免费 Solving quadratics using structure (00:00)

免费 How to use the quadratic formula (00:00)

免费 Example 2: Using the quadratic formula (00:00)

免费 Example 5: Using the quadratic formula (00:00)

免费 Example 3: Using the quadratic formula (00:00)

免费 Proof of quadratic formula (00:00)

免费 What is a function? (00:00)

免费 Evaluating functions given their formula (00:00)

免费 Intervals and interval notation (00:00)

免费 What is the domain of a function? (00:00)

免费 What is the range of a function? (00:00)

免费 How to find the domain and the range of a function given its graph (example) (00:00)

免费 Determining whether values are in domain of function (00:00)

免费 Examples finding the domain of functions (00:00)

免费 How to determine the domain of a modeling function (example with a function) (00:00)

免费 How to determine the domain of a modeling function (00:00)

免费 Graphical relations and functions (00:00)

免费 Does a vertical line represent a function? (00:00)

免费 Recognize functions from tables (00:00)

免费 Recognize functions from verbal descriptions (example 1) (00:00)

免费 Recognize functions from verbal descriptions (example 2) (00:00)

免费 Introduction to minimum and maximum points (00:00)

免费 How to recognize relative and absolute maxima and minima (00:00)

免费 Introduction to increasing, decreasing, positive or negative intervals (00:00)

免费 Positive and negative intervals examples (00:00)

免费 Shifting absolute value graphs (00:00)

免费 Reflecting and scaling absolute value function (00:00)

免费 Scaling & reflecting absolute value functions: graph (00:00)

免费 Graphing a shifted and stretched absolute value function (00:00)

免费 Solving equations with zero product property (00:00)

免费 Graphing parabola from quadratic in factored form (00:00)

免费 Graphing a parabola in vertex form (00:00)

免费 Finding the vertex of a parabola example (00:00)

免费 Graphing a parabola using roots and vertex (00:00)

免费 Rewriting a quadratic function to find roots and vertex (00:00)

免费 Worked examples: Forms & features of quadratic functions (00:00)

免费 Parabola vertex and axis of symmetry (00:00)

免费 Finding features of quadratic functions (00:00)

免费 Shifting and scaling parabolas (00:00)

免费 Example translating parabola (00:00)

免费 Example scaling parabola (00:00)

免费 Multiplying & dividing powers (integer exponents) (00:00)

免费 Powers of products & quotients (integer exponents) (00:00)

免费 Introduction to square roots (00:00)

免费 Understanding square roots (00:00)

免费 Square root of decimal (example) (00:00)

免费 Introduction to cube roots (00:00)

免费 5th roots (00:00)

免费 Exponential growth functions (00:00)

免费 Examples of linear and exponential relationships (00:00)

免费 Understanding linear and exponential models (00:00)

免费 Determining whether real world model is linear or exponential (00:00)

免费 Expression for compound or exponential growth (00:00)

免费 Initial value & common ratio of exponential functions (00:00)

免费 Modeling with basic exponential function (00:00)

免费 Interpretting exponential expression (00:00)

免费 Graphing exponential functions (00:00)

免费 Identifying graph for exponential (00:00)

免费 Comparing exponential and linear function (00:00)

免费 Introduction to exponential decay (00:00)

免费 Graphing exponential growth & decay (00:00)

免费 Writing exponential functions (00:00)

免费 Constructing linear and exponential functions from data (00:00)

免费 Constructing linear and exponential functions from graph (00:00)

免费 Analyzing tables of exponential functions (00:00)

免费 Analyzing graphs of exponential functions (00:00)

免费 Analyzing graphs of exponential functions: negative initial value (00:00)

免费 Modeling ticket fines with exponential function (00:00)

免费 Introduction to function inverses (00:00)

免费 Understanding inverse functions (00:00)

免费 Understanding function inverses example (00:00)

免费 Function inverse example 1 (00:00)

免费 The Pythagorean theorem intro (00:00)

免费 Pythagorean theorem 2 (00:00)

免费 Distance formula (00:00)

免费 Using similarity to estimate ratio between side lengths (00:00)

免费 Using right triangle ratios to approximate angle measure (00:00)

免费 Similarity to define sine, cosine, and tangent (00:00)

免费 Basic trigonometry II (00:00)

免费 Example: Trig to solve the sides and angles of a right triangle (00:00)

免费 Introduction to radians (00:00)

免费 Radian and degree conversion practice (00:00)

免费 Example: Converting degrees to radians (00:00)

免费 Example: Converting radians to degrees (00:00)

免费 Adding fractions with unlike denominators introduction (00:00)

免费 Adding fractions with unlike denominators (00:00)

免费 Subtracting fractions with unlike denominators introduction (00:00)

免费 Subtracting fractions with unlike denominators (00:00)

免费 Adding and subtracting multiple fractions with unlike denominators (00:00)

免费 Solving for the missing fraction (00:00)

免费 Multiplying two fractions: example (00:00)

免费 Dividing fractions example (00:00)

免费 Dividing fractions example 2 (00:00)

免费 Multiplying binomials intro (00:00)

免费 Example 1: Multiplying a binomial by a binomial (00:00)

免费 Factoring quadratics as (x+a)(x+b) (00:00)

免费 Factoring quadratics as (x+a)(x+b) (example 2) (00:00)

免费 More examples of factoring quadratics with a leading coefficient of 1 (16:30)

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