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Mathematics 9 Online
OpenStudy (anonymous):

Can someone check an answer for me ? Find an equation for the nth term of the arithmetic sequence. -15, -6, 3, 12, ... an = -15 + 9(n + 1) an = -15 x 9(n - 1) an = -15 + 9(n + 2) an = -15 + 9(n - 1) I Think the answer is D

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