# How do you tell whether the sequence -8, 2, 12.... is arithmetic, geometric, or neither?

##### 1 Answer

Oct 17, 2015

The given sequence could be arithmetic.

#### Explanation:

With so few terms, it is impossible to say for certain

however there appears to be a relationship between the terms of the form:

which would be an arithmetic sequence.

Since

and

We can assert that this is not a geometric sequence.

(A geometric sequence requires: