Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.1 - Exponential Functions and Their Graphs - 5.1 Exercises - Page 368: 28



Work Step by Step

$5^{x-2}=\frac{1}{125}$ $5^{x-2}=\frac{1}{5^3}$ $5^{x-2}=5^{-3}$ $x-2=-3$ (One-to-One Property) $x=-3+2$ $x=-1$
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