• 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 1

    Example 2

    Example 3– Find the Number of Solutions using the Discriminant.

    Example 4– Word Problem