Determine whether the sequence is arithmetic. If so, find the common difference. 8, 13, 18, 23, 28
A)3
B)5
C)8
D)-5
E)not arithmetic

Question

Quizplus · Accepted Answer

To determine whether a sequence is arithmetic, we need to see if there's a common difference between each consecutive number. 
In this sequence, we can see that each term increases by 5. Therefore, the sequence is arithmetic and the common difference is 5. Choice B is the only option that gives the correct common difference.

Determine Whether the Sequence Is Arithmetic