Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Cumulative Review: 12

Answer

a. 98 b. 98

Work Step by Step

2$x^{2}$ a. x=7 2$x^{2}$=2$\times$$7^{2}$=2$\times49$=98 b. x=-7 2$x^{2}$=2$(-7)^{2}$=2$\times49=98$
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