Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 12 - Exponential Functions and Logarithmic Functions - 12.4 Properties of Logarithmic Functions - 12.4 Exercise Set - Page 811: 88



Work Step by Step

By definition, $\log_{a}x=2$ means $a^{2}=x.$ Then, $\log_{a}(1/x)=\log_{a}(1/a^{2})=\log_{a}(a^{-2})=-2$
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