Question

Find the common difference of the following arithmetic sentence​

Answer 1

-1/4

Explanation:

Answer 2

-1/4

Explanation:

1. -1/2+1/4=-1/4
2. -1/4+1/4=0
3. 0+1/4=1/4
4. 1/4+1/4=1/2

But in reality, it is going from positive to negative, so the answer is -1/4.