kaylahughes35 kaylahughes35
  • 28-02-2019
  • Mathematics
contestada

If n is a term of the sequence 14, 8, 2, -4, …, which expression would you give the value of n?

A) -6n + 14
B) -4n + 18
C) 3n + 11
D) -6n + 20

Respuesta :

apocritia
apocritia apocritia
  • 09-03-2019

Answer:

-6n+20

Step-by-step explanation:

The given  term of sequece is  14, 8, 2, -4, …,

Here the first term is 14 and then the terms are decreasing by 6 each time  because [tex]14-8=8-2=...=6[/tex]

As we know that the nth term of the sequence is given by the formula

[tex]t_n=a+(n-1)d\\\text{Substitute the values we get}\\t_n=14+(n-1)(-6)\\t_n=14-6n+6\\t_n=20-6n\\[/tex]

If n is a term of the given sequence sequence, then its value is -6n+20

Answer Link
avatardan12 avatardan12
  • 10-03-2022

Answer:

-6n+20

Step-by-step explanation:

Answer Link

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