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Ch 8 and 11

8.1A Quadratic Functions

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Ch 8 and 11

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    1. Ch 8 and 11 By Brian Trudell Revised by Claire Suddeth

    2. 8.1A Quadratic Functions Graphical Analysis A function is a rule that states for every input value there is exactly one output value. The vertical line test is used to determine if the graph of a relation is a function. If a vertical line intersects the graph exactly once, then the graph represents a function. Look at the graphs below. The graph of quadratic function is called a parabola.

    3. Functions:

    4. Not a function:

    5. Refer to the graph below for the following examples

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