Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.6 - Radical Equations and Problem Solving - Exercise Set - Page 728: 5


x∈Ø No solution

Work Step by Step

$\sqrt 2x=-4$ Raise the equation to the power of 2: $2x=16$ $x=8$ Check the solution by substituting x for 8: $\sqrt 16=-4$ 4=-4 The solution $x=8$ is incorrect. No solution
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