# How do you find nth term rule for #375,-75,15,-3,....#?

##### 1 Answer

Nov 20, 2016

#### Explanation:

Find the nth term rule for:

If you divide any term by the previous term, the quotient is

This indicates the sequence is geometric. In other words, the next term is generated by multiplying the previous term by a fixed number called the common ratio or

The "formula" for a geometric sequence is

In this example,