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Home > PC > Chapter 11 > Lesson 11.1.1 > Problem 11-13


Given the function :

  1. Rewrite the function in the form by completing the square. State the vertex of the parabola.

     so that 

  2. Using the equation you found in part (a) or the Quadratic Formula, find the roots of the function.

    The roots are the -intercepts. Let to find the -intercepts.

  3. What must be true about the graph of the parabola if the roots are non-real numbers?

    It has no -intercepts.