Answer
$4\sqrt[4] y$
Work Step by Step
$\sqrt[4] {256y}=\sqrt[4] {256}\cdot\sqrt[4] {y}=\sqrt[4] {4^{4}}\cdot \sqrt[4] {y}=4\sqrt[4] y$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 9 - Solving Quadratic Equations - 9.1 - Properties of Radicals - Exercises - Page 487: 95
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