Answer
X can be anything, y must be positive.
Work Step by Step
$x^{2}$ is always positive, no matter what it is. Therefore Y must be positive to generate a positive number.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises - Page 19: 110
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