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OpenStudy (anonymous):
Find the sum of the first 9 terms of the sequence. Show all work for full credit. 2, -7, -16, -25, ... Please HELP I GIVE MEDALS
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OpenStudy (anonymous):
Well, first you have to find the other terms, you're given first four, just keep subtracting 9 from each last term to get the new one, so -25-9 = -34, then -34-9 and so on. Once you get the first nine terms, find the SUM! (So add them up!)
OpenStudy (amoodarya):
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