Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.2 Graph Quadratic Functions in Vertex or Intercept Form - 4.2 Exercises - Mixed Review - Page 251: 61


25, -7

Work Step by Step

We consider two possible options, since the value within the absolute value can either be positive or negative: $$x-9=16 \\ x=25$$ OR: $$x-9=-16 \\ x= -7$$
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