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18-03-2021
Mathematics

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

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carrs4434 carrs4434

18-03-2021

Answer:

[tex]n_x = -4n_{x-1}\\[/tex]

where [tex]n_1[/tex] = 2

Step-by-step explanation:

512/-8 = -64

difference of n = 3

[tex]\sqrt[3]{64} = 4[/tex]

[tex]n_x = -4n_{x-1}\\[/tex]

where [tex]n_1[/tex] = 2

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