College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding - Page 28: 97



Work Step by Step

$2xy^{-1}$ if x = 2, and y = -1. Substitute the values. $2(2)(-1)^{-1}$ $4*\frac{1}{-1^1}.$ Therefore, the answer is: $-4.$
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