Question

Which of the following sequences is not arithmetic?

1, 2, 3, 4, ...
1, 4, 9, 16, ...
2, 4, 6, 8, ...
0, -2, -4, -6, ...

Answer 1

[AI-generated answer — Bot]

2, 4, 6, 8, ... (this is a sequence of even numbers and arithmetic sequences must have a constant difference between consecutive terms)