Question

Is this sequence arithmetic? If so, what is the common difference (d)? 12, 19, 26, 33

Answer 1

+7

Explanation:

Yes it is.

The common difference is +7

Answer 2

7

Explanation:

To find the common difference, take the second term and subtract the first term

19-12 = 7

Check by subtracting the third term and subtract the second term

26-19 = 7

The common difference is 7