dcharlene85
dcharlene85 dcharlene85
  • 03-05-2018
  • Mathematics
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Please help me with this

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carlosego
carlosego carlosego
  • 03-05-2018
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
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