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Home > INT2 > Chapter 9 > Lesson 9.4.1 > Problem 9-143


Complete the square for to determine the vertex. Then determine the x‑intercepts and make a sketch of the parabola.

Completed square polynomials follow the form .
What value of will create ?

To complete the square, let , so the completed square form would be .
Where will the vertex be? Where will the -intercepts be?