Question

Which of the following is an arithmetic sequence?

A. 3,0,-3,-6
B.2,4,16,32
C.5,-5,5,-5
D.2,3,7,1

Answer 1

A. 3, 0, -3, -6

Explanation:

The sequence with constant first differences is an arithmetic sequence. The sequence of A has a common difference of -3, so is an arithmetic sequence.