Answer
211.25
Work Step by Step
We find the x-coordinate of the maximum:
$$ = \frac{-9+4}{2} = -2.5$$
Thus, the maximum value is:
$$ = -5(-2.5+9)(-2.5-4) = 211.25$$
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 4 Quadratic Functions and Factoring - 4.2 Graph Quadratic Function in Vertex or Intercept Form - 4.2 Exercises - Skill Practice - Page 249: 41
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