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Karo-lina-s [1.5K]
3 years ago
8

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

Mathematics
1 answer:
Gnesinka [82]3 years ago
4 0

Answer:

see explanation

Step-by-step 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 = \frac{-2}{\frac{1}{2} } = \frac{8}{-2} = - 4

Hence recursive rule is

a_{n+1} = - 4a_{n} ( a₁ = \frac{1}{2} )

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