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Section 4.1: Vertex Form LEARNING TARGET: I WILL GRAPH A PARABOLA USING VERTEX FORM.

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VERTEX FORM

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Step 1: Determine the vertex, (h,k). Step 2: Determine the axis of symmetry for the parabola. Step 3: Determine if vertex is a maximum value or a minimum value. Step 4: Create a table of values (at least 5 points including the vertex). Also, one point needs to have x-value of zero so you can determine y- intercept. Step 5: Graph the parabola.

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Step 1: Determine the vertex, (h,k). Step 2: Determine the axis of symmetry for the parabola. Step 3: Determine if vertex is a maximum value or a minimum value. Step 4: Create a table of values (at least 4 points including the vertex). Also, use an x value of zero to determine the y intercept. Step 5: Graph the parabola.

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Creating a Parabola in Vertex Form When a Vertex and a Point are Given

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Example 3: Write the equation of the parabola in vertex form: vertex (-3,-4) point (-1,-8)

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Example 4: Write the equation of the parabola in vertex form: vertex(2,3) y intercept:11

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Assignment Graphing a Parabola from Vertex Form Worksheet #13 is bonus

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