Question

Please help me with this

Answer 1

The correct answers are the second option (Option B) and the last option (Option E).

 The explanation is shown below:

 1. By definition, a geometric sequence is a sequence of numbers each number, after the first one, is the result of multiply the previous number by a common ratio.

 2. The Option B has the following common ratio:

 (2/3) / (4/9)=1.5
 1/(2/3)=1.5

 r=1.5

 3. The Option E has the following common ratio:

 -15/3=-5
 75/-15=-5

 r=-5