Find the Common Ratio of a Geometric Sequence
If the given sequence is a geometric sequence, find the common ratio.
-$3 , - 9,27 , - 81,243$
A) $- 3$
B) 3
C) $- 12$
D) not a geometric sequence

Question

Quizplus · Accepted Answer

The common ratio of a geometric sequence is found by dividing any term by its preceding term. For this sequence, dividing -9 by 3 gives -3, 27 by -9 also gives -3, and so on. This shows that the common ratio is -3.

Find the Common Ratio of a Geometric Sequence If the Given

Find the Common Ratio of a Geometric Sequence
If the Given