## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 8 - Section 8.1 - Finding Roots - Exercise Set - Page 574: 13

#### Answer

not a real number

#### Work Step by Step

Since the index of the given expression, $\sqrt{-\dfrac{1}{36}} ,$ is even (index = $2$) and the radicand is negative (radicand = $-\dfrac{1}{36}$), then the given expression is $\text{ not a real number .}$

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