What is the common ratio for the geometric sequence? - 15,-9,-27/5,-81/25, ... Enter your answer in the box.

3/5

Step-by-step explanation:

to find the ratio, take the 2nd term and divide by the first term

-9/-15 = 9/15

which simplifies to 3/5

check by dividing the 3rd term by the 2nd term

-27/5 / - 9

-27/5 * - 1/9 = 3/5

the ratio is 3/5