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

Name: Find the common ratio r for the given infinite geometric sequence. -3, -9, 27, -81, 243, . . . A) -12 B) 3 C)\[- \frac { 1 } { 3 }\] D) -3
Brand: Quizplus
Rating: 4.9 (39 reviews)

Question

Quizplus · Accepted Answer

The common ratio $r$ can be found by dividing any term in the sequence by its preceding term, e.g., $\frac{-9}{3} = -3$ or $\frac{27}{-9} = -3$. This shows that the sequence multiplies by -3 at each step.

Find the Common Ratio R for the Given Infinite Geometric −13- \frac { 1 } { 3 }−31​

Find the Common Ratio R for the Given Infinite Geometric $- \frac { 1 } { 3 }$