Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - 11.2 Arithmetic Sequences and Series - 11.2 Exercises: 3

Answer

$6$

Work Step by Step

$a_{n}=a_{1}+\left( n-1\right) d\Rightarrow a_{3}=a_{1}+\left( 3-1\right) d=a_{1}+2d=10+2\times \left( -2\right) =10-4=6$
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.