Answer
-4
Work Step by Step
$-\sqrt16=-(\sqrt 16)=-(4)=-4$
We know that $\sqrt 16=4$, because $4^{2}=16$. In this case, we are finding the opposite of $\sqrt 16$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set - Page 463: 5
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