Answer
2 square roots possible
Work Step by Step
We know that 49 has two possible square roots -7 and 7 because (-7)$\times$(-7)=49 and 7$\times$7=49.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Lesson Check - Page 42: 7
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