SOLUTION: What kind of sequence is this? -5, -20, -80, -320, ... arithmetic, geometric, both or neither

SOLUTION: What kind of sequence is this? -5, -20, -80, -320, ... arithmetic, geometric, both or neither

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Question 1086939: What kind of sequence is this?

-5, -20, -80, -320, ...
arithmetic, geometric, both or neither
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Geometric sequence with common ratio of multiplying by 4.
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