Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.1 - Finding Roots - Exercise Set: 4

Answer

$-4$

Work Step by Step

$\sqrt {16}=4$ because $4^2=16$ (Use the definition of square root) $-\sqrt {16}=-4$
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