Answer
We look for x intercepts.
Work Step by Step
If the solution is not extraneous, then there will be an x-intercept for that value of x. Thus, if the solution does not correspond to an x intercept, the solution is extraneous.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 8 Rational Functions - 8.6 Solve Rational Equations - 8.6 Exercises - Skill Practice - Page 592: 3
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