juancotto518 juancotto518

05-01-2021
Mathematics

contestada

Write an explicit formula for an, the nth term of the sequence 15, 7,-1,...

Respuesta :

kenlingdad kenlingdad

05-01-2021

Answer:

aₙ = a₁ - 8 x (n-1)

Step-by-step explanation:

a₁ = 15

a₂ = 7 = a₁ - 8 x 1

a₃ = -1 = a₁ - 8 x 2

........

aₙ = a₁ - 8 x (n-1)

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