Question

Which sequences are arithmetic? Check all that apply.



–5, 5, –5, 5, –5, …

96, 48, 24, 12, 6

18, 5.5, –7, –19.5, –32, …

–1, –3, –9, –27, –81, …

16, 32, 48, 64, 80

Answer 1

A arithmetic sequence is something that goes up by the same each time.

Answer 2

Or down.

Answer 3

The last increases by 16, each time. There fore arithmetric

Answer 4

The second is also, I believe cause it's being divided by 2. Each time.

Answer 5

Second to last is Times 3 each time.

Answer 6

I don't see any others.

Answer 7

thank you!

Answer 8

You're welcome!

Answer 9

HI!!

Answer 10

Hi misty... again.

Answer 11

second one is not "arithmetic" it is "geometric"

Answer 12

Oh .

Answer 13

since each term gets MULTIPLIED by \(\frac{1}{2}\) to get to the next one