find an equation for the nth term of a geometric sequence where the second and fifth terms are -8 and 512

asked Nov 12, 2022 234k views

5 votes

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3 votes

Answer:

$n_x = -4n_(x-1)\\$

where
n_1 = 2

Explanation:

512/-8 = -64

difference of n = 3

$\sqrt[3]{64} = 4$

$n_x = -4n_(x-1)\\$

where
n_1 = 2

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