Question

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work.
{-4, 12, -36, ...}

Answer 1

A1 = -4
an = -3 (a n-1)
Sorry, don't know how to write subscripts on this but the n and n-1 are supposed to be tiny numbers below the a a little