## anonymous one year ago 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

1. Defiance

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

2. Defiance

Or down.

3. Defiance

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

4. Defiance

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

5. Defiance

Second to last is Times 3 each time.

6. Defiance

I don't see any others.

7. anonymous

thank you!

8. Defiance

You're welcome!

9. misty1212

HI!!

10. Defiance

Hi misty... again.

11. misty1212

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

12. Defiance

Oh .

13. misty1212

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