Determine whether the sequence is arithmetic. If so, find the common difference. 3, 1, -1, -3, -5
A)5
B)-2
C)not arithmetic
D)3
E)2

Name: Determine whether the sequence is arithmetic. If so, find the common difference. 3, 1, -1, -3, -5 A)5 B)-2 C)not arithmetic D)3 E)2
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Question

Quizplus · Accepted Answer

To determine if the sequence is arithmetic, we need to see if there is a common difference between consecutive terms. 
3-1=2;
1-(-1)=2;
-1-(-3)=2;
-3-(-5)=2,
so there is a common difference of -2. Therefore, the answer is B.

Determine Whether the Sequence Is Arithmetic