Question

Which of the following is a geometric sequence?
A. 1, 4, 5, 9, 14
B. 6, 18, 54, 162
C. 3, 5, 8, 13, 21
D. 3, 6, 9, 12, 15

Answer 1

The answer is B. 6, 18, 54, 162.

A geometric sequence is a when a group of numbers are multiplied by another number. Each number in answer B is multiplied by 3.

6*3=18
18*3=54
54*3=162