Determine whether the sequence converges or diverges. If it converges, give the limit.

108, - 18, 3, negative one divided by two, ...

Well, basically the way I decided to approach the problem was to first find the pattern between the numbers. Its not obvious between 108 and - 18, but the pattern is the previous number divided by - 6. From there, I believe you should be able to find whether or not it converges or diverges if you know the material (which you should xD)