Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 11 - Quadratic Functions and Equations - 11.4 Applications Involving Quadratic Equations - 11.4 Exercise Set - Page 725: 50

Answer

Negative time can have meaning since t=0 is often arbitrary.

Work Step by Step

Consider a situation where I throw a ball straight up. If I define the top of the path to be t=0, then the time between when I release the ball and when it reaches the top of its path would be negative. Thus, in this case, negative time would have meaning.
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