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Home > CCG > Chapter 4 > Lesson 4.2.1 > Problem 4-59

4-59.

On graph paper, graph the parabola .

  1. What are the roots () of the parabola?

    Look at the graph. Where does the parabola cross the ?

  2. Read the Math Notes box for this lesson. Then solve the equation algebraically. Did your solutions match your roots from part (a)?

    Use the Quadratic Formula.

    One solution is  , or .

Use the eTool below to graph the parabola.
Click the link at right for the full version of the eTool: CCG 4-59 HW eTool