SOLUTION: Write a rule for the nth term of the geometric sequence a=5 and r=-1/2

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Question 477832: Write a rule for the nth term of the geometric sequence a=5 and r=-1/2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

geometric sequence

a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29  |  a=5 and r=-1/2



a%5Bn%5D+=+5%28-1%2F2%29%5E%28n-1%29