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Mathematics 15 Online
OpenStudy (anonymous):

Write the explicit formula for the geometric sequence. a1 = -5 a2 = 20 a3 = -80

OpenStudy (anonymous):

an = a1 + (n-1)d

OpenStudy (amistre64):

im pretty sure that the setup for an arithmetic sequence wont be of much use on a geometric progression

OpenStudy (anonymous):

oops sorry, misread lol |dw:1346437903583:dw|

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