veronica177 veronica177
  • 02-06-2021
  • Mathematics
contestada

Find the 8th term of the arithmetic sequence - 2x + 7,4x + 1, 10x – 5, ...

Respuesta :

jcherry99
jcherry99 jcherry99
  • 03-06-2021

Answer:

Step-by-step explanation:

a1 = -2x + 7

d = 4x + 1 - (-2x + 7)

d = 4x + 1 + 2x - 7

d = 6x - 6

n = 8

a8 = -2x + 7 + (n-1)*d

a8 = -2x + 7 + (8 -1 ) * (6x - 6)

a8 = -2x + 7 + 7 * (6x - 6)

a8 = -2x + 7 + 42x - 42

a8 = 40x - 35

Answer Link

Otras preguntas

-15x + 30=5Please answer ASAP​
The first step of an art critique is to evaluate the artwork. (T/F)
There are 7 seniors on student council. Two of them will be chosen to go to an all-district meeting. How many ways are there to choose the students who will go
I can't get it if someone could please help me out that would be ability great
what is mascara made out of?
who's the first president of Indonesia?​
Which describes emotional intimacy?
Read the passage below carefully and then answer the question. (from Discovery Education: Hendrix, Jimi. Funk and Wagnalls, 2010.) Born in Seattle, Wash., on
Which statement is true???
Who is Theodore Roosevelt referring to when he says, "We were dealing with a government of irresponsible bandits"