SOLUTION: Find the first five terms of each geometric sequence described. 1. a sub1=-1, r=-3 2. a sub1=-1/3, r=2

Algebra ->  Sequences-and-series -> SOLUTION: Find the first five terms of each geometric sequence described. 1. a sub1=-1, r=-3 2. a sub1=-1/3, r=2      Log On


   

Question 269980: Find the first five terms of each geometric sequence described.
1. a sub1=-1, r=-3
2. a sub1=-1/3, r=2
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
1)
a[1]=-1, r=-3
a[2]=-1*-3=3
a[3]=-1(-3)^2=-9
a[4]=-1(-3)^3=27
a[4]=-1(-3)^4=-81
.
Ed