Question

find the next three terms in the arithmetic sequence: -3, -8, -13, -18

Answer 1

-23

Explanation:

Common difference = 2nd term - 1 st term

= -8 - (-3)

= -8 + 3

= -5

To get the next term add (-5) to the previous term

5th term = (-18) + ( (-5) = -23