Question

Which of the following is an arithmetic sequence?

A) 3, -3, 4, -4, 5, -5
B)1, 2, 4, 7, 10
C) 4, 7, 10, 13, 16
D)2, 4, 8, 16, 32

Answer 1

The answer is C

Explanation:

The increase between the numbers in a arithmetic sequence is always the same, in this case the number always increased by 3.

Here is a another example

3, 5, 7, 9

The difference between the consecutive terms is always 2