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:
$\sqrt{25} = x
\\\sqrt{5^2} = x
\\5=x$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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 - Page 726: 46
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