Find the common ratio r for the given infinite geometric sequence.
-$$3 , - 9,27 , - 81,243 , \ldots$$
A) 3
B) $- 12$
C) $- \frac { 1 } { 3 }$
D) $- 3$

Name: Find the common ratio r for the given infinite geometric sequence. -\[3 , - 9,27 , - 81,243 , \ldots\] A) 3 B) $- 12$ C) $- \frac { 1 } { 3 }$ D) $- 3$
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Question

Quizplus · Accepted Answer

The common ratio $r$ can be found by dividing any term in the sequence by its preceding term. For example, $\frac{-9}{3} = -3$ or $\frac{27}{-9} = -3$. Thus, the common ratio $r$ is $-3$.

Find the Common Ratio R for the Given Infinite Geometric 3,−9,27,−81,243,…3 , - 9,27 , - 81,243 , \ldots3,−9,27,−81,243,…

Find the Common Ratio R for the Given Infinite Geometric $3 , - 9,27 , - 81,243 , \ldots$