thewalkingdead11
thewalkingdead11 thewalkingdead11
  • 03-11-2017
  • Mathematics
contestada

Consider the function y = x^2 − 18x. Enter the values for the variables to complete the inverse

Respuesta :

barnuts
barnuts barnuts
  • 17-11-2017

Given the equation:

y = x^2 – 18x

 

Rewrite in vertex form:

y = x^2 – 18x + (18/2)^2 – (18/2)^2

y = (x – 9)^2 – 81

 

Swap x and y:

x = (y – 9)^2 – 81

 

Solve for y:

x + 81 = (y – 9)^2

 

y – 9 = sqrt (x + 81)

y = sqrt (x + 81) + 9

or

y = (x + 81)^(1/2) + 9

Answer Link

Otras preguntas

What is the greatest common factor between the terms in the following binomial? 18x-12
What is your opinion of Atticus parenting style?
An ant looks up at an angle of elevation of 30 degrees to the top of a tree. If the ant is 40 feet from the base of the tree, what is the height of the tree, to
Type the noun form of the verb. contribute
In a group of 60 children there are 3 times as many boys as girls how many girls are there
Aspirin can cure a headache, but when you pop an aspirin tablet, how does the aspirin know to go to your head rather than your big toe?
What view of war is presented in Micromegas? A) It is a necessary evil. B) It is senseless and brutal. C) Fewer lives would be lost with alien technology. D) Th
Is a purple urchin a predator
who does president lincoln mean by our father?
Upon which characteristic is a lyric poem's rhythm based? A. tone B. mood C. stress D. rhyme