Classify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, o

Question

Classify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a sequence.

9, 4,  −1 ,  −6 , . . .

(1 point)
Responses

geometric sequence
geometric sequence

some other sequence
some other sequence

not a sequence
not a sequence

arithmetic sequence
arithmetic sequence

GPT-5 mini · Answer

Arithmetic sequence — each term decreases by 5 (common difference = −5).

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