2000014011

SubArea: 
Geometric sequences
Level: 
A
Project ID: 
2000014011
Accepted: 
0
Clonable: 
0
Easy: 
1
The picture shows a part of the graph of a geometric sequence. What is the common ratio of the geometric sequence?
\(-\frac12\)
\(-2\)
\(\frac12\)
\(\left(-\frac12\right)^n\)