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**7-3 Graphing quadratic functions**

Objective: graphing quadratic functions, and finding the axis of symmetry and vertex. Algebra 1 CP

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**Find the reflection of each point over the line x = - 2**

( - 1 , 2 ) b) ( - 4 , 5 ) ( - 6 , 1 ) d) ( 2 , - 2 ) e) ( - 1 , 0 ) f) ( 0 , 4 )

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**Graph of a quadratic function**

The graph of y = ax2 + bx + c, where a ≠ 0, has the line as its axis of symmetry. The x-coordinate of the vertex is . The y-intercept of the graph is c.

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**Graph the quadratic function f(x) = 5 – 4x – x2**

Graph the quadratic function f(x) = 5 – 4x – x2. Step 1: Find the y-intercept Step 2: Find the equation of the axis of symmetry and the coordinates of the vertex. Step 3: Make a table of values and graph the function.

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Try with a partner Graph the quadratic function f(x) = 3x2 – 9x + 5. Step 1: Find the y-intercept Step 2: Find the equation of the axis of symmetry and the coordinates of the vertex. Step 3: Make a table of values and graph the function.

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Classwork P. 330 #1-15

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Homework 7-3 worksheet evens

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