Question

An = a1 + (n − 1)d Find the 31st term of the sequence -22, -19, -16, -13,...

Answer 1

Answer:

68.

Step-by-step explanation:

The common difference d = -19 - (-22) = 3

So the 31st term =

a31 =  -22 + (31-1)3

= -22 + 90

= 90 - 22

= 68.