Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 9 - Roots and Radicals - 9.5 - Solving Radical Equations - Concept Quiz 9.5 - Page 424: 6



Work Step by Step

Consider 1: $$\sqrt{1} + 2 = 1 \\ \sqrt{1} =-1$$ This is not possible, for a square root of a number is never negative. Thus, one is not a solution to the equation.
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