Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Section 10.1 - Sequences and Summation Notation - Exercise Set - Page 1051: 109

Answer

$ -45$

Work Step by Step

Need to use the formula $a_n =a_1+(n-1) d$ Here, $a_1=4$ and $d=-7$ Plug $n=8$ $a_8= 4 +(8-1) \times (-7) $ or, $= 4-49$ or, $a_8= -45$
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.