SOLUTION: Find the number of terms in the sequence: -6,-2,2,6,.......70
Algebra
->
Sequences-and-series
-> SOLUTION: Find the number of terms in the sequence: -6,-2,2,6,.......70
Log On
Algebra: Sequences of numbers, series and how to sum them
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Sequences-and-series
Question 880063
:
Find the number of terms in the sequence: -6,-2,2,6,.......70
Answer by
richwmiller(17219)
(
Show Source
):
You can
put this solution on YOUR website!
70 = -6 + 4*(n - 1)
76=4n-4
80=4n
n=20
20 terms