Which of the following sequences are geometric?

Check all that apply.

A. 3, 18, 108, 648, 3,888
B. 6, 1, 1/6, 1/36, 1/216
C. 1, 1/2, 1/3, 1/4, 1/5
D. 0.25, 0.35, 0.45, 0.55, 0.65

Question

Which of the following sequences are geometric?

Check all that apply.

 		A.	3, 18, 108, 648, 3,888
 		B.	6, 1, 1/6, 1/36, 1/216
 		C.	1, 1/2, 1/3, 1/4, 1/5
 		D.	0.25, 0.35, 0.45, 0.55, 0.65

anonymous · Answer

a and b

cwrw238 · Answer

geometric sequences have a common ratio
e g  2 , 4 , 8    each term is obtained by multiply the previous one by 2

anonymous · Answer

in part a as well as b they have a common ratio (6 and 1/6) respectiely