davidvictorino71 davidvictorino71

08-05-2020
Mathematics

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What is the explicit formula for this geometric sequence -6,-18,-54,-162,…

What is the explicit formula for this geometric sequence 61854162 class=

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Andouhaoyu0704 Andouhaoyu0704

08-05-2020

Answer: an= -6(3)^(n-1)

(B)

Step by step explanation: a1 is -6 and a2 is -18, only B would match the sequence. The only other answer that comes close is -6(-3)^(n-1) but if you multiply -6 by -3 you get 18 instead of -18

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