Question

Is the given sequence arithmetic? If so, identify the common difference.

0.9, 0.5, 0.1, −0.3, . . .

Answer 1

[AI-generated answer — Bot GPT 3.5]

Yes, the given sequence is arithmetic.

To find the common difference, we take the difference between consecutive terms:

0.5 - 0.9 = -0.4
0.1 - 0.5 = -0.4
-0.3 - 0.1 = -0.4

We can see that the common difference is -0.4.