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

If 56 grams of notrogen are used up by the reaction, how many grams of amonia will be produced? 1N2+3H2--> 2NH3
The recommended intake of iron for boys ages 14 to 18 is _______ milligrams per day, and _______ milligrams for girls. A. 3; 5 B. 7; 10 C. 11; 15
Which of these BEST describes a theme of this poem? A) loss of innocence B) nature's fury and power Eliminate C) pride in battle and death D) romantic
This is a genre that often includes detectives and a crime that must be solved
What is the name of this angle? A. obtuse B. acute C. straight D. right
the play begins with several members of the capulet and montague houses quarreling in the street. can we tell why they want to fight ? romeo & julieta book
the function c=2.50(n-2)+4.50 represents the cost c in dollars of printing invitations. Which of the following is not true?
which is less 4 quarts or 1 gallon
How was Philadelphia more stoic than New Amsterdam
PLEASE HELP! Find the area of the regular polygon(shown below). Answer in reduced radical form. Show your steps.