Question

What is the common ratio of -3,15,-45,225

Answer 1

This does not have a common ratio

Explanation:

To find the common ratio, take the second term and divide by the first term

15/ -3 = -5

The common ratio is -5

Verify by taking the third term and divide by the second term

-45/15 = -3

These numbers are not the same, so there is not a common ratio