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OpenStudy (oliviagggg):
What's the common ratio for the sequence 5,-10,20,-40,...
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OpenStudy (oliviagggg):
-2 -1/2 2 1/2
OpenStudy (freckles):
it is asking you do term divided by previous term like all of these should give you the same number since this is a geometric sequence: -10/5=? 20/-10=? -40/20=?
OpenStudy (oliviagggg):
Thanks!
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