Answer
Refer to image
Work Step by Step
You can use a graphing calculator or you can do it by hand.
If you do it by hand plot a few points and then draw the curve
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Mixed Review - Page 573: 61
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