SOLUTION: what are the first four terms of the geometric sequence t1=-2, tn=1/2tn-1

Algebra ->  Sequences-and-series -> SOLUTION: what are the first four terms of the geometric sequence t1=-2, tn=1/2tn-1      Log On


   



Question 967390: what are the first four terms of the geometric sequence t1=-2, tn=1/2tn-1
Answer by t0hierry(194) About Me  (Show Source):
You can put this solution on YOUR website!
t2 = 1/2(-2) = -1/4
t3 = 1/8
t4 = -1/16