Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.7 The Distance Formula, the Midpoint Formula, and Other Applications - 10.7 Exercise Set: 3

Answer

square root

Work Step by Step

The principle of the square root states that $x^2=n$ implies $x=\sqrt{n}$ or $x=-\sqrt{n}.$
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