Determine whether the sequence is arithmetic.If so,find the common difference.
5)3,5.7,6.1,6.5,6.9,...

A)Arithmetic sequence,d = -0.4
B)Arithmetic sequence,d = -1.6
C)Arithmetic sequence,d = 0.8
D)Arithmetic sequence,d = 0.4
E)Not an arithmetic sequence

Question

Determine whether the sequence is arithmetic.If so,find the common difference. ​
​5)3,5.7,6.1,6.5,6.9,...
​
A)Arithmetic sequence,d = -0.4
B)Arithmetic sequence,d = -1.6
C)Arithmetic sequence,d = 0.8
D)Arithmetic sequence,d = 0.4
E)Not an arithmetic sequence

Quizplus · Accepted Answer

To determine if the sequence is arithmetic, we need to check if the difference between consecutive terms is constant.

5, 7, 7+0.4, 7+0.4+0.4, 7+0.4+0.4+0.4, ...

The common difference is 0.4, therefore the sequence is arithmetic and the answer is (D).

Determine Whether the Sequence Is Arithmetic