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9-19.

Write the equation of a quadratic function containing the points in the table below. Then make a complete graph on graph paper. .

    

  

  

  

      

      

    

Where does the vertex of the parabola appear to be located?

Use the eTool below to help you complete this problem.
Click the link at right for the full version of the eTool: INT2 9-19 HW eTool