Answer
-2
Work Step by Step
$\sqrt[4] 16=2$, because $2^{4}=2\times2\times2\times2=16$
Therefore, $-\sqrt[4] 16=-2$, as we are taking the opposite of $\sqrt[4] 16$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.1 - Radicals and Radical Functions - Exercise Set - Page 417: 29
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