Mr. Vizza's Class

Sketching Quadratic Functions


Steps

Examples Done by Mr. Vizza

Problems that You Should Practice

Additional Supportive Links


Steps

1. Solve for the zeroes of the function. (I.e. Set the given function equal to zero and apply the quadratic formula, zero product property, or complete the square method or use a quadratic formula program for your calculator.)

2. Sketch zeroes on the x-axis.

3. Calculate the axis of symmetry using the following formula.

4. Sketch the axis of symmetry.

5. Calculate the vertex using the following formula.

6.  Sketch the vertex.

7.  Sketch the y-intercept and the recflection of the y-intercept.

   

 

8. Connect the dots.wpe1.jpg (2600 bytes)


Examples Done by Mr. Vizza

    Directions:  Please sketch the following quadratic functions.

Step 1

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Step 2

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Steps 3

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Step 4

 
Step 5

 
Step 6

 
Step 7

 
Step 8

 

Problems that You Should Practice

        Directions:   Please sketch the following quadratic functions.

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Additional Supportive Links

©2004 Thomas Vizza