Course Content
Parts of an Expressions
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Parts of an Expression Lesson
Parts of an Expression Quiz and Answer Key
Combining Like Terms
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Combining Like Terms Lesson
Combining Like Terms Quiz
Simplifying and Evaluating Expressions
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Simplifying and Evaluating Expressions Lesson
Simplifying and Evaluating Expressions Quiz
Equivalent Expressions
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Equivalent Expressions Lesson
Equivalent Expressions
Algebraic Fractions
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Algebraic Fractions Lesson
Algebraic Fractions Quiz
Complex Fractions
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Complex Fractions Lesson
Complex Fractions Quiz
Exponent Laws and Notation
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Exponent Laws and Notation Lesson
Exponent Laws Quiz
Simplified Roots
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Simplified Roots Lesson
Simplified Roots Quiz
Radical Laws and Notation
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Radical Laws Lesson
Radical Laws Quiz
Rational Exponents
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Rational Exponents Laws
Rational Exponents Quiz
Rationalize Denominators
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Rationalize Denominators Lesson
Rationalize Denominator Quiz
Polynomial Operations
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Polynomial Operations Lesson
Polynomial Operations Quiz
Interpret Expression Structure
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Interpret Expression Structure Lesson
Interpret Expression Structure Quiz
Factorization Procedures
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Factorization Procedures Lesson
Factorization Procedures Quiz
Factor Polynomials
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Factor Polynomials Lesson
Factor Polynomials Quiz
Linear Equations Formulas
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Linear Equations Formulas Lesson
Linear Equation Formulas Quiz
Units and Quantitative Reasoning
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Units and Quantitative Reasoning Lesson
One Step Equations
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One Step Equations Lesson
Two Step Equations
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Two Step Equations Lesson
Multi Step Equation
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Multi Step Equation Lesson
Coordinate Plane
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Coordinate Plane Lesson
Understanding Slope
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Understanding Slope Lesson
Slope Intercept Form
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Slope Intercept Form Lesson
Point Slope Form
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Point Slope Form Lesson
Standard Form
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Standard Form Lesson
Transformations of Linear Functions
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Transformations of Linear Functions Lesson
Parallel Lines
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Parallel Lines Lesson
Perpendicular Lines
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Perpendicular Lines Lesson
Understanding Inequalities
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Understanding Inequalities Lesson
One Step Inequalities
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One Step Inequalities Lesson
Two Step Inequalities
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Two Step Inequalities Lesson
Multi Step Inequalities
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Multi Step Inequalities Lesson
Compound Inequalities
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Compound Inequalities Lesson
System of Equations
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System of Equations Lesson
Solving System of Equations
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Solving System of Equations Lesson
System of Inequalities
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System of Inequalities Lesson
Understanding Functions
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Understanding Functions Lesson
Function Notation
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Function Notation Lesson
Interpret and Model Functions
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Interpret and Model Functions Lesson
Operations on Functions
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Operations on Functions Lesson
Composite Functions
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Composite Functions Lesson
Inverse Functions
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Inverse Functions Lesson
Arithmetic Sequence
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Arithmetic Sequence Lesson
Geometric Sequences
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Geometric Sequence Lesson
Mixed Sequence
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Mixed Sequence Lesson
Recursive Formulas For Sequences
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Recursive Formulas For Sequences Lesson
Exponential Growth and Decay
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Exponential Growth and Decay Lesson
Piecewise Functions
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Piecewise Functions Lesson
Piecewise Functions Quiz
Absolute Value and Step Functions
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Absolute Value and Step Functions Lesson
Absolute Value and Step Functions Quiz
Function Transformations
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Function Transformations Lesson
Function Transformations Quiz
Quadratic Functions
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Quadratic Functions Lesson
Quadratic Functions Quiz
Factored Form of a Quadratic
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Factored Form of a Quadratic Lesson
Factored Form of a Quadratic Quiz
Vertex Form of a Quadratic
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Vertex Form of a Quadratic Lesson
Vertex Form of a Quadratic Quiz and Answer Key
Understanding Solving Quadratics (or Polynomials)
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Understanding Solving Quadratics (or Polynomials) Lesson
Understanding Solving Quadratics Quiz and Answer Key
Solve Quadratics by Factoring
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Solve Quadratics by Factoring Lesson
Solve Quadratics by Factoring Quiz and Answer Key
Solve Quadratics by Completing the Square
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Solve Quadratics by Completing the Square Lesson
Completing the Square Quiz and Answer Key
Solve Quadratics by Graphing
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Solve Quadratics by Graphing Lesson
Solving Quadratics by Graphing Quiz and Answer Key
Solve Quadratics Using the Quadratic Formula
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Solve Quadratics Using the Quadratic Formula
Quadratic Formula Quiz and Answer Key
Irrational Numbers
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Irrational Numbers Quiz and Answer Key
Represent Data
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Represent Data Lesson
Represent Data Quiz and Answer Key
One Variable Statistics
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One Variable Statistics Lesson
One Variable Stastistics Quiz and Answer Key
Variation
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Variation Lesson
Variation Quiz and Answer Key
Standard Deviation
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Standard Deviation Lesson
Standard Deviation Quiz and Answer Key
Two Way Tables
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Two Way Tables Lesson
Two Way Tables Quiz and Answer Key
Scatter Plots
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Scatter Plots Lesson
Scatter Plots Quiz and Answer Key
Algebra

When can you factor?

Factoring works when the quadratic can be written as:

(x−a)(x−b)=0

Steps to solve by factoring

  1. Set the equation equal to zero

  2. Factor the quadratic

  3. Set each factor equal to zero

  4. Solve

Example

x^2 + 5x + 6 = 0

Factor:

(x+2)(x+3)=0

Solutions:

  • x=−2

  • x=−3

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