Which of the following sequences is an arithmetic sequence?

A. {1,4,16,48, ...}

B. {-10,5,-2.5,1.25, ...}

C. {100,20,4,0.8, ...}

D. {-10,-3.5,3,9.5, ...}

Question

Malachi Ali

19 March, 13:58

+2

Answers (2)

Know the Answer?

Brock Acevedo · Answer 1

the third one C. {100,20,4,0.8, ...} as it divides by 5

~batman wife dun dun dun ... aka ~serenitybella

Kristin Rowland · Answer 2

C. since you are constantly dividing by 5

100 : 5 = 20

20 : 5 = 4

4 : 5 = 0.8

And so on ...

Which of the following sequences is an arithmetic sequence?A. {1,4,16,48, ...}B. {-10,5,-2.5,1.25, ...}C. {100,20,4,0.8, ...}D. {-10,-3.5,3,9.5, ...}