Question

Is 1, 1/2, 0, -1/2 an Arithmetic sequence? If so, what is the common difference?

Answer 1

Explanation:

Yes, it is Arithmetic sequence

Because

1/2 - 1 = 0 - 1/2=-1/2-0= - 1/2

Common Difference d = - 1/2

Answer 2

-1/2

Explanation:

1/2 - 1 = -1/2

0 - 1/2 = -1/2

-1/2 - 0 = -1/2