SOLUTION: Identify the sequence as either arithmetic or geometric. List the next two terms of the sequence. 9,2,-5,-12,?,?,?

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Question 1047005: Identify the sequence as either arithmetic or geometric.
List the next two terms of the sequence.
9,2,-5,-12,?,?,?

Found 2 solutions by Boreal, Timnewman:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It's arithmetic.
Each term is separated from the prior one by -7. There is no common ratio between adjacent terms.
The next two terms are -19 and -26.

Answer by Timnewman(323) About Me  (Show Source):
You can put this solution on YOUR website!
Identify the sequence as either arithmetic or geometric.
List the next two terms of the sequence.
9,2,-5,-12,?,?,?
Solution.
The sequence is an arithmetic progression with common difference of -7.
The next two terms is -19 and -26