Asked by Leslie

What is the closed linear form for this sequence given a1 = -15 and an + 1 = an - 8?
A) an = 7 - 8n
B) an = -7 + 8n
C) an = -7 - 8n
D) an = -15 - 8n
my best answer is C
Answered by Steve
well, a = -15 and d = -8

now use the formula for the general term of an AP.
Answered by Leslie
is it B
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