jessicagarcia85 jessicagarcia85

12-08-2018
Mathematics

contestada

find the explicit formula for the arithmetic sequence -31,-27,-23,-19 b(n)= ?

find the explicit formula for the arithmetic sequence 31272319 bn class=

Respuesta :

12-08-2018

b(n)=-31+4(n-1) is the explicit formula

Answer Link

konrad509 konrad509

12-08-2018

[tex] a_n=a_1+(n-1)d\\
a_1=-31\\
d=a_n-a_{n-1}=-27-(-31)=-27+31=4\\
a_n=-31+(n-1)\cdot 4\\a_n=-31+4n-4\\
a_n=4n-35
[/tex]

Answer Link

Otras preguntas

One person, who is without personal fault, is held liable for the criminal conduct of another person, who is at fault, in ___________________________.

square root of 3x-6=0 solve for x

For a constant function, the y-coordinate is __________ for every pair of points selected, so the average rate of change always has a value equal to

Prove that a square matrix is invertible if and only if its columns are linearly independent

If you had to put up a fence around a circular baseball field, you would need to know the _________?

Can someone help me figure this out: Factor 12y^2-27? I keep getting the steps confused.

A 3-pack of boxes of juice costs $1.09. A 12-pack of boxes costs $4.39. A case of 24 boxes costs $8.79. Which is the Best Buy? Explain your reasoning!

How do I write (x^4)^2 without exponents

Before the birth of humanism, the most important goal a person could have was to

If the average of 3 numbers and 8 is 25 what is the sum of the three numbers