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 - Concept and Vocabulary Check - Page 511: 13



Work Step by Step

Note that the radicand (number or expression inside the square root sign) cannot be negative since negative numbers do not have real number square roots. The radicand of the given expression involving square root is negative. Thus, $\sqrt{-25}$ is not a real number. Therefore, the given statement is false.
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