Question

Find the common ratio of the sequence.

2, –10, 50, –250, . . .

Answer 1

To find the common ratio of the sequence, we divide each term by the previous term.

-10 ÷ 2 = -5
50 ÷ -10 = -5
-250 ÷ 50 = -5

Therefore, the common ratio of the sequence is -5.