9000072807

Level: 
Project ID: 
9000072807
Source Problem: 
Accepted: 
1
Clonable: 
0
Easy: 
1
The following numbers form a geometric sequence. The third term satisfies \(a < 0\). Find \(x\). \[ x\, ,\ 1\, ,\ a\, ,\ \frac{1} {9} \]
\(- 3\)
\(9\)
\(3\)
\(-\frac{1} {3}\)