Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Cumulative Review: 20

Answer

a. 5 b. $\frac{2}{3}$ c. a d. -3

Work Step by Step

a. Two negatives make a positive, so -(-5) = 5. b. Two negatives make a positive, so $-(-\frac{2}{3}) = \frac{2}{3}$ c. Two negatives make a positive, so -(-a) = a d. |-3| = 3, so -|-3| = -3.
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