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Chapter 9 Quadratic Functions |
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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 |
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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) |
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9-3 Graphing Quadratic Functions:
Example 1– Graph the Quadratic Function (Identify parts)
Example 2– Word Problem [Graph the Quadratic Function (Identify parts)] |
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9-4 Transforming Quadratic Functions:
Example 1– Compare Widths.
Example 2– Transform: Vertical Shift, Width, Direction.
Example 3– Word Problem (Compare Functions after Transformation. |
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9-5 Solving Quadratic Equations by Graphing:
Example 1– Solve by Graphing.
Example 2– Word Problem (Solve by Graphing. |
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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. |
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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. |
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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) |
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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 |