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 - Page 575: 63


not a real number

Work Step by Step

Since the index of the given expression, $ \sqrt[4]{-16} ,$ is even (index = $ 4 $) and the radicand is negative (radicand = $ -16 $), then the given expression is $\text{ not a real number .}$
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