Question

Find a8 in the arithmetic sequence when a1=-9 and d=7

Answer 1

40

Explanation:

The n th term of an arithmetic sequence is

`a_(n)` =
`a_(1)` + (n - 1)d, hence

`a_(8)` = - 9 + (7 × 7) = - 9 + 49 = 40

Answer 2

What do you mean let me see a picture of the problem