Algebra 1: Common Core (15th Edition)

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: 7

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.
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