For the geometric sequence, find the common ratio, r.
-2, 6, 18, 54, 162, . . .
A)18
B)3
C) $\frac { 1 } { 3 }$
D)6

Name: For the geometric sequence, find the common ratio, r. -2, 6, 18, 54, 162, . . . A)18 B)3 C) $\frac { 1 } { 3 }$ D)6
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Question

Quizplus · Accepted Answer

The common ratio, $r$, in a geometric sequence is found by dividing any term by the preceding term. For this sequence, dividing the second term (6) by the first term (2) gives $r = 3$.

For the Geometric Sequence, Find the Common Ratio, R 13\frac { 1 } { 3 }31​

For the Geometric Sequence, Find the Common Ratio, R $\frac { 1 } { 3 }$