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What is the recursive formula for this geometric sequence?

What is the recursive formula for this geometric sequence?-example-1

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Answer:

The answer is the second one. (AKA B)

User Serefbilge
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Since the first term is 2, we eliminate possible answer C.

The common ratio is -5. Note that if we mult. the first term (2) by -5, we get the given second term -10.

Answer choice B is correct.
User Ravaal
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