Question

Which of the following is NOT an arithmetic sequence?

A) 4, 7, 10, 13, 16

B) 1, 2, 3, 4, 5

C) 15, 9, 3, -3, -9

D) 2, 4, 8, 16, 32

Answer 1

Answer:

D

Step-by-step explanation:

I think it's D because it's the only sequence where each value (after the first one) is multiplied by 2.

While in the other sequences , you can see that the there is a pattern of +3,+1,(-6)

Answer 2

Answer:

C) 15, 9, 3, -3, -9

Step-by-step explanation:

you see how all of them are in order from least from least to greatest

C is the opposite.