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OpenStudy (anonymous):
Can someone tell me if I got this right? Find the general term an for the geometric sequence a1=-4 and a 2 =12? Here is my work: a2 = a1 * r^(2 -1) = a1 * r solve for r: 12 = - 4 * r r = - 3 an = (- 4) * (- 3)^(n - 1) ?
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OpenStudy (campbell_st):
looks correct
OpenStudy (anonymous):
Great! Thanks!
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