Algebra 2 (1st Edition)

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

Chapter 4 Quadratic Functions and Factoring - Standardized Test Preparation - Practice - Page 325: 2

Answer

Option C: The number of seconds it takes the ball to reach its maximum height.

Work Step by Step

When we were solving for the $x$ coordinate of the vertex in the previous problem, once we plugged it into the equation it was used to find the maximum of the height. Hence we can conclude that the $x$ coordinate will correspond to option C.
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