Level:
Project ID:
2010004902
Source Problem:
Accepted:
0
Clonable:
0
Easy:
1
The following numbers form a geometric sequence. The fourth term satisfies
\(a < 0\). Find
\(x\).
\[
7\, ,\ x\, ,\ \frac{1}
{7}\, ,\ a
\]
\(- 1\)
\(1\)
\(-7\)
\(-\frac{1}
{7}\)