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Which of the following is NOT an arithmetic sequence?

a
1, 2, 3, 4,...
b
0.25, 0.5, 0.75, 1, ...
c
2, 2.5, 3, 3.5,...
d
-2, 4, -6, 8,...

Respuesta :

ManateesAreBoss

Answer:

D

Step-by-step explanation:

To be an arithmetic sequence, the numbers have to be added or subtracted by a constant number. D is not the answer because -2+6 equals 4, but 4+6 doesn't equal -6, so D cannot be a arithmetic sequence.

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