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

You roll a six-sided die. Event A: Roll a 6. Event B: Roll a prime number. Find P(A or B). Express your answer as a fraction in simplest form. P(A or B) = ?
Arenasa bought 5 large box lunches for $47.25. Which equation can be used to find the cost, L, of a large box lunch? *
Transcription in prokaryotic cells:_____. a. is initiated at a promoter and uses only one strand of DNA (the template strand) to synthesize a complementary RNA
Complete the equation to represent the relationship. Then solve the equation. Drag and drop each term or number into the correct box to complete the equation an
Please help with this will give brainliest to the first answer!
Myoclonus of the stapedial tendon or tensor tympani.
Put the steps of enzyme activity in order from first to last using the drop down menu beside each step.
Please help! Subject is math! :D
Can yall answer this fast ,if yall do will give yall the brainliest
Please helppp need help asap due in 10 minutes