Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.1 - Radical Expressions and Functions - Exercise Set - Page 511: 20


The given expression is not a real number.

Work Step by Step

Simplify the expression inside the square root sign to obtain: $\sqrt{-119}$ Note that the number inside a square root symbol is not allowed to be negative since its square root will not be a real number. Thus, the given expression is not a real number.
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