Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Practice and Problem-Solving Exercises: 63

Answer

-2

Work Step by Step

We find the value of x for the vertex, given as $\frac{-b}{2a}$. In order to do this, we plug the provided values for a and b into the equation. $-b/2a = 48/(-12)2 = -2 $
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