SOLUTION: Find the common ratio of the geometric sequence 81, -27, 9, -3, ...

Algebra ->  Sequences-and-series -> SOLUTION: Find the common ratio of the geometric sequence 81, -27, 9, -3, ...      Log On


   



Question 65391: Find the common ratio of the geometric sequence
81, -27, 9, -3, ...

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the common ratio of the geometric sequence
81, -27, 9, -3, ...
-----------
r=-27/81=-1/3
Cheers,
Stan H.