Answer
$\dfrac{4}{3}\sqrt {y}$
Work Step by Step
$\dfrac{\sqrt {80y}}{3\sqrt 5}=\dfrac{1}{3}\sqrt {\dfrac{80y}{5}}=\dfrac{1}{3}\sqrt {16y}=\dfrac{4}{3}\sqrt {y}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.3 - Simplifying Radical Expressions - Practice - Page 699: 18
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