Answer
$\pm125$
Work Step by Step
Given $x^{2/3}=25$, raise both side to 3rd power to get $x^2=(25)^3$, take square root on both sides, we have $x=\pm(5)^3=\pm125$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - Test - Page 496: 8
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