Question 976866: find the common ratio of the geometric sequence?
4, 16, 64, 256, 1024
a. 20
b. 16
c. 12
d. 4
find the common ratio of the geometric sequence?
3, -9, 27, -81, 243
a. 16
b. -3
c. -12
d. 9
Answer by MathLover1(20850)   (Show Source):
You can put this solution on YOUR website!
recall: The fixed amount multiplied is called the common ratio,  , referring to the fact that the ratio (fraction) of the second term to the first term yields this common multiple.
To find the common ratio,  the second term by the first term.
in your sequence  ,  ,  ,  ,  ,the second term is and the first term is , so divide by
 and the common ratio is and your answer is
d.
in  ,  ,  ,  ,  will be
and your answer is
b. 
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