t2 = 480 and t7 = -15.

Determine the common ratio,r.

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- September 19th 2007, 10:02 PMwtfmateGeometric Sequence, Determining common ratio.
t2 = 480 and t7 = -15.

Determine the common ratio,*r*.

- September 19th 2007, 11:20 PMCaptainBlack