SOLUTION: 3, -4, -3, 4, … is a geometric sequence. True or False?

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Question 1084083: 3, -4, -3, 4, … is a geometric sequence.
True or False?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Look at the ratio
from 3 to -4, have to divide 3 by -(3/4)
Now divide -4 by (-3/4) and that will be positive, not negative, so therefore it is not a geometric sequence.

Answer by ikleyn(52784) About Me  (Show Source):