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

Explain why the dodo was placed in the kingdom animalia
What are three different factorizations of the number 16. Do not is 1 as a factor
how can a decimal be converted to percentage?
what is 0.0000000345 in scientific notation?
Water molecules are polar, with Select one: a. the oxygen side being slightly positive and the hydrogen side being slightly negative. b. the oxygen and hydrogen
You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?
One side of a kite is 6 cm less than 4 times the length of another. The perimeter of the kite is 68 cm. Find the length of each side of the kite.
One example of a very complex land ecosystem full of thousands of kinds of living things
What is 56 decreased by twice a number
The Mamluks, a Muslim army from Egypt, were able to put an end to the conquerings of what group? Chinese Armenians Persians Mongols