Determine whether the sequence is geometric. If so, find the common ratio.
$- 1,3,7,11 , \ldots$
A) 4
B) $- 1$
C) $\frac { 1 } { 4 }$
D) $- 4$
E) not geometric

Question

Determine whether the sequence is geometric. If so, find the common ratio.
$- 1,3,7,11 , \ldots$
A) 4 
B) $- 1$
C) $\frac { 1 } { 4 }$
D) $- 4$
E) not geometric

Quizplus · Accepted Answer

In a geometric sequence, each term is obtained by multiplying the previous term by a common ratio. However, there is no common ratio that can turn -1 into 3, and then 3 into 7, and so on. Therefore, this sequence is not geometric.

Determine Whether the Sequence Is Geometric −1,3,7,11,…- 1,3,7,11 , \ldots−1,3,7,11,… A) 4 B)

Determine Whether the Sequence Is Geometric $- 1,3,7,11 , \ldots$ A) 4
B)