Question

Given the arithmetic sequence 2, -7, -16, -25, ..., determine the
general term tn.

Answer 1

Explanation:

Common difference is -9.

t_1 = 2

t_n = t_1 - (n-1)9

= t_1 - (9n - 9)

= 2 - (9n - 9)

= 11 - 9n