SOLUTION: Write the equation for the general term of the sequence {-2, 4, -8, 16 . . . }.

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Question 996525: Write the equation for the general term of the sequence {-2, 4, -8, 16 . . . }.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Notice how each term goes up by a factor of -2?
This is a geometric sequence.
a-sub-1 = -2
In general, then
a-sub-n = (-2)^n