**Quadratic Functions**

5.1 Graphing Quadratic Functions

5.2 Solving Quadratic Equations by Factoring

5.3 Solving Quadratic Equations by Finding Square Roots

5.4 Complex Numbers

5.5 Completing the Square

5.6 The Quadratic Formula and the Discriminant

5.7 Graphing and Solving Quadratic Inequalities

5.8 Modeling with Quadratic Functions