Algebra 2 (1st Edition)

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

Chapter 4 Quadratic Functions and Factoring - 4.10 Write Quadratic Functions and Models - 4.10 Exercises - Quiz for Lessons 4.8-4.10 - Page 315: 13

Answer

See below

Work Step by Step

Given: $y_0=5$ ft $v_0=30$ ft/sec The position of the ball is $y=y_0+v_0t-16t^2$ Set $y=0$, $16t^2-30t-5=0\\ \rightarrow t=\frac{15 \pm \sqrt 305}{16}$ We will take only positive values: $t \approx 2029$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.