Answer
$y=6$
Work Step by Step
$y^3-216=0$
$y^3=216$
$\sqrt[3] {y^3} = \sqrt[3] {216}$
$y=6$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 11 - Section 11.3 - Solving Equations by Using Quadratic Methods - Exercise Set - Page 790: 78
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