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.
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
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