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OpenStudy (anonymous):
Write the first five terms of the geometric sequence. an = -7an-1; a1 = -2
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OpenStudy (anonymous):
\[a_n = -7*a_{n-1}\] replace 2 into n and you'll get that \[a_2 = -7*a_{1} = -7*-2 = 14\]
OpenStudy (anonymous):
-2 14 ?? ?? ?? In case you haven't realized the ratio you're constantly multiplying by is -7
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