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## Algebra help

##### Start learning Algebra by topic or lesson

- What is a Matrix?
- How to Take a Determinant of a Matrix
- What is an Absolute Value?
- How to Evaluate Absolute Value Expressions
- How to Solve an Absolute Value Equation
- Solving Absolute Value Practice Problems
- How to Graph an Absolute Value and Do Transformations
- Practice test: Matrices and Absolute Value

- What is an Inequality?
- How to Graph 1- and 2-Variable Inequalities
- Set Notation, Compound Inequalities, and Systems of Inequalities
- Graphing Inequalities
- How to Solve and Graph an Absolute Value Inequality
- Solving and Graphing Absolute Value Inequalities
- How to Convert 1 Million Pennies to Dollars
- Practice test: Inequalities

- What is a Parabola?
- Parabolas in Standard, Intercept, and Vertex Form
- How to Factor Quadratic Equations
- Factoring Quadratic Equations
- How to Solve a Quadratic Equation by Factoring
- How to Use the Quadratic Formula to Solve a Quadratic Equation
- How to Solve Quadratics That Are Not in Standard Form
- Practice test: Using FOIL, Graphing Parabolas & Solving Quadratics to Factor

- Expressing Relationships as Algebraic Expressions
- Evaluating Simple Algebraic Expressions
- Combining Like Terms in Algebraic Expressions
- Practice Simplifying Algebraic Expressions
- Negative Signs and Simplifying Algebraic Expressions
- Defining, Translating, & Solving One-Step Equations
- Writing Equations with Inequalities
- Practice test: Algebraic Expressions and Equations

- Multiplying and Dividing Rational Expressions
- Practice Adding and Subtracting Rational Expressions
- Rational Equations
- Division and Reciprocals of Rational Expressions
- Simplifying Complex Rational Expressions
- Solving Equations of Direct Variation
- Solving Equations of Inverse Variation
- Practice test: Working with Rational Expressions

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