SOLUTION: Write a formula for the general term (the nth term) of each geometric sequence. Then use the formula for a n to find a 1 the seventh term of sequence.

Algebra ->  Sequences-and-series -> SOLUTION: Write a formula for the general term (the nth term) of each geometric sequence. Then use the formula for a n to find a 1 the seventh term of sequence.       Log On


   



Question 481814: Write a formula for the general term (the nth term) of each geometric sequence. Then use the formula for a n to find a 1 the seventh term of sequence.


12,6,3,3/2....

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
geometric sequence: {12,6,3,3/2,...} r = 1/2
a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29
a%5B7%5D=+12%281%2F2%29%5E6+=+12%2F64+=+3%2F16