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

Joseph is forming a three-dimensional figure using a net. The figure has six congruent square faces. What types of figure did he make?
Natural selection would not take place without what?
HELP!!!!!! Which verb form agrees with the subject and correctly completes the sentence? Peanut plants __________ thousands of acres in the American South. A.
How did early humans survive their harsh environments?
Why did the US civil rights movement gain new momentum after World War II? President Truman desegregated the armed forces. Rosa Parks rallied blacks in Montgome
Why are embryonic stem cells useful than other stem cell
can someone help with 5 spanish questions
the wright brothers Wilbur wright facts
how do you simplify -2n - (9-10n)
What measurement shows how much space is inside a rectangular prism