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AP Math 11 Online
OpenStudy (anonymous):

what is the difference between 324,108,36,12,x,w?

OpenStudy (triciaal):

this is a geometric sequence the common ratio r

OpenStudy (triciaal):

difference is primarily used for addition and subtraction with an arithmetic progression the common difference is how much you add or subtract to get from one term to the next

OpenStudy (triciaal):

geometric sequence ratio is what factor you multiply by to get the next term. just like addition and subtraction are opposites multiplication and division are opposites

OpenStudy (triciaal):

for this problem 324 to 108 is the same ratio as 36 to 12 will be same as 12 to x and the same as x to w

OpenStudy (error1603):

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