Answer
True
Work Step by Step
Yes, $\sqrt 5$ is an irrational number. In other words, $\sqrt 5$ cannot be written as a fraction (if so, it would be in the set of rational numbers.)
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.2 - Algebraic Expressions and Sets of Numbers - Exercise Set - Page 16: 51
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