Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Exercise Set - Page 356: 120


Answers may vary $x=4$ for positive $x^{-1}$ $x=-2$ for negative $x^{-1}$ In general, the sign of $x$ is the sign of $x^{-1}$

Work Step by Step

$x=4$ $x^{-1}$ $4^{-1}$ $1/4^1$ $1/4$ $x=-2$ $x^{-1}$ $-2^{-1}$ $1/(-2)^1$ $1/-2$ $-1/2$
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