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What is the recursive rule for this geometric sequence? 1/2, -2, 8, -32

1 Answer

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Answer:

see explanation

Explanation:

A recursive rule allows us to find the term in a sequence from the previous term.

From the given geometric sequence find r the common ratio

r =
(-2)/((1)/(2) ) =
(8)/(-2) = - 4

Hence recursive rule is


a_(n+1) = - 4
a_(n) ( a₁ =
(1)/(2) )

User Zach Weg
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