Intermediate Algebra (12th Edition)

by Lial, Margaret L.; Hornsby, John; McGinnis, Terry

Published by Pearson

ISBN 10: 0321969359

ISBN 13: 978-0-32196-935-4

Chapter R - Section R.3 - Exponents, Roots, and Order of Operations - R.3 Exercises - Page 29: 50

Answer

Not a real number

Work Step by Step

$\sqrt (-121)$ is not a real number, because the negative sign is inside the radical symbol. There is no real number that can be squared to equal -121.

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