Question

HELP!!!!! Algebra II Help needed

Find a formula for the nth term of the arithmetic sequence.
First Term -2
Common Difference 8

Gotten this far:
an=8n+?

Thank you!!!

Answer 1

`a_(n) = 8n - 10`

Explanation:

`a_(n) = a_(1) + (n - 1)d` is the formula you want to use

`a_(n) = -2 + (n - 1)8`

= -2 + 8n - 8

= 8n - 10