Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Exercise Set: 46

Answer

$x=5$

Work Step by Step

RECALL: $\log_b{x}= y \longrightarrow b^y=x$ Use the rule above to obtain: $25^{\frac{1}{2}}=x$ Use the rule $a^{\frac{1}{2}} = \sqrt{a}$ to obtain: $\sqrt{25} = x \\\sqrt{5^2} = x \\5=x$
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