Algebra: A Combined Approach (4th Edition)

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

Chapter 12 - Cumulative Review: 49

Answer

{5}

Work Step by Step

$\log_{x}$ $25=2$ is transformed into $25=x^{2}$ using logarithmic rules. Now solving $x^{2}=25$: $x^{2}=25$ $x^{2}=5^{2}$ $\sqrt {x^{2}}=\sqrt {5^{2}}$ $x=5$ Therefore, the solution set is {5}.
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