Question

Which one of the following is a geometric sequence?

A. 2, −3, 9/2, −18/4
B. −7, 10, 23, 36, . . .
C. 8, 4, 2, 1, 1/2, 1/4, . . .
D. 0, 1, 2, 3, . . .

Answer 1

The right answer is C i think.

Answer 2

D or C because they are the only ones that have somewhat of a pattern