Question

Which of the following sequences are geometric?

Check all that apply.
A. 3, 1, 1/3, 1/9, 1/27
B. 2, 8, 18, 46, 120
C. 10, 20, 30, 40, 50
D. 1,6, 36, 216, 1,296

Answer 1

the answer is A

Explanation:

divide each of the second numbers by the first

that is

`1 / 3 = (1)/(3 ) \\ (1)/(3) / 1 = (1)/(3)`

and so on

All the answers you get will be equal to 0.33333 or 1/3