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Find the common ratio of the sequence. 3,-9,27,-81

Find the common ratio of the sequence. 3,-9,27,-81
asked 60.5k views
1 vote
Find the common ratio of the sequence. 3,-9,27,-81

asked
User Adrian Baddeley
by
7.9k points

1 Answer

1 vote

Answer:

r = - 3

Explanation:

To find the common ratio r, divide consecutive terms

- 9 ÷ 3 = - 3

27 ÷ - 9 = - 3

- 81 ÷ 27 = - 3

Thus common ratio = - 3

answered
User Liesbeth
by
8.4k points
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