Answer
$y = -4$
Work Step by Step
$y^3 + 64 = 0$
$y^3 = - 64$
$(y^3)^{\frac{1}{3}} = (- 64)^{\frac{1}{3}} $
$(y^3)^{\frac{1}{3}} = ((-4)^3)^{\frac{1}{3}} $
$y = -4$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 0 - Section 0.5 - Solving Polynomial Equations - Exercises - Page 30: 34
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