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: 6

Answer

$x∈Ø$ No solution

Work Step by Step

$\sqrt 5x=-5$ Raise the equation to the power of 2: $5x=25$ $x=5$ Check the solution by substituting x for 5: $\sqrt 25=-5$ 5=-5 The solution $x=5$ is incorrect. No solution
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