Contents
 Chapter 9 Quadratic Functions 9-1 Quadratic Functions and Equations: Example 1– Test Function for Quadratic Example 2– Graph Quadratic Function with Table Example 3– Open Up or Down Example 4- Identify Vertex, Maximum or Minimum 9-2 Characteristics of Quadratic Functions: Example 1– Zeroes from a Graph. Example 2– Axis of Symmetry & Vertex from a Graph. Example 3– Axis of Symmetry from a Function Example 4– Axis of Symmetry & Vertex from a Function Example 5– Word Problem (Axis of Symmetry & Vertex) 9-3 Graphing Quadratic Functions: Example 1– Graph the Quadratic Function (Identify parts) Example 2– Word Problem [Graph the Quadratic Function (Identify parts)] 9-4 Transforming Quadratic Functions: Example 1– Compare Widths. Example 2– Transform: Vertical Shift, Width, Direction. Example 3– Word Problem (Compare Functions after Transformation. 9-5 Solving Quadratic Equations by Graphing: Example 1– Solve by Graphing. Example 2– Word Problem (Solve by Graphing. 9-6 Solving Quadratic Equations by Factoring: Example 1– Solve by Zero Product Property. Example 2– Solve by Factoring and then ZPP. Example 3– Word Problem. 9-7 Solving Quadratic Equations using Square Roots: Example 1– Solve using Square Roots. Example 2– Isolate x² and then Solve with Square Roots. Example 3– Solve with Square Root and the Simplify or Round to the Hundredths. Example 4– Word Problem. 9-8 Completing the Square: Example 1– Complete the Square Example 2– Solve by Completing the Square Example 3– Solve by Completing the Square Example 4– Word Problem (Area of a Rectangle) 9-9 Solve Using the Quadratic Formula: Example 3– Find the Number of Solutions using the Discriminant. Example 4– Word Problem