Question

Which of these sequences are arithmetic? Check all that apply.

–5, –3, 3, 13, 27, .

0, 1/4, 1/2, 3/4, 1, . . .

7, 14, 28, 56, 112, . . .

27, 40, 53, 66, 79, . . .

1, 2, 4, 8, . . .

Answer 1

I know that the second one the fourth one and the fifth one are arithmetic but I’m not sure about the others I think there are only three but don’t count me on it