Question

What is the next number in the arithmetic sequence below?

27, 15,3, -9,
OA. 12
OB. -3
Oc. -21
OD. -20

Answer 1

-21

Explanation:

27, 15,3, -9,

15 - 27 = - 12

3 - 15 = - 12

-9 - 3 = - 12

Hnece, Common difference d = - 12

Next term = - 9 + (-12) = - 9 - 12 = - 21