Answer
729
Work Step by Step
We first find the x-coordinate of the maximum:
$$=\frac{36-18}{2}=9$$
Thus, the maximum is:
$$= -(9-36)(9+18) = 729$$
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: 37
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