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5 votes
Three geometric sequences are given below.

Sequence A: 160, 40, 10, 2.5, ...
Sequence B: -21, 63, -189, 567, ...
Sequence C: 8, 12, 18, 27, ...
Order the sequences from least common ratio to greatest common ratio.
Sequence A
Sequence C
Sequence B

User Kyurkchyan
by
8.8k points

1 Answer

4 votes

Answer:

B, A, C

Explanation:

Calculating the common ratio for each sequence

A → r =
(40)/(160) =
(1)/(4) = 0.25

B → r =
(63)/(-21) = - 3

C → r =
(12)/(8) = 1.5

B, A, C ← from least to greatest common ratio

User Mych
by
8.5k points
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