Question

Which of the following is an arithmetic sequence? 2, 4, 8, 16, ... 12, 4, 4/3, 16/3 ... 1/2, -1/2, -3/2, -5/2 ... 1/2, -1/2, 1/2, -1/2 ...

Answer 1

1/2, -1/2, -3/2, -5/2

Explanation:

An arithmetic sequence subtracting by the previous number.

Hope this helps!!!

Answer 2

the third one, because it has a common difference