Question

Determine whether the sequence -10, -7,-4, -1,... is an arithmetic sequence. Write yes or no. If so state the

common difference.

Answer 1

Yes

Explanation:

Yes because the distance between each of its terms is equal

Answer 2

Yes, it is an arithmetic sequence because the difference between each consecutive term is constant. The common difference is 3.

d = a(n) - a(n-1)
*a(n) is a term in the sequence and a(n-1) is the previous term in the sequence.
d = -1 - (-4) = -1 + 4 = 3