Question

Find the common difference of the arithmetic sequence

Answer 1

Explanation:

`c.d.=-1(4)/(5) -(-2)\\=-(9)/(5) +2\\=(-9+10)/(5) \\=(1)/(5)`

Answer 2

The common difference is 1/5.

Explanation:

Each new term is equal to the previous term, plus the common difference 1/5.

-2 + 1/5 = -10/5 + 1/5 = -9/5 = -1 4/5, and so on.