mjfantbh23
mjfantbh23 mjfantbh23
  • 03-08-2021
  • Mathematics
contestada

What equation represents the parabola with focus (-1,4) and directrix y= -2

Respuesta :

caylus
caylus caylus
  • 03-08-2021

Answer:

Hello

y=(x+1)/12 +1

Step-by-step explanation:

[tex]\text{As the directrice is horizontal:}\\\\\\y=-2 ==> k=-2\\\\Focus=(a,b)=(-1,4)\\\\\boxed{y=\dfrac{x-a}{2(b-k)} +\dfrac{b+k}{2} }\\\\\\y=\dfrac{x+1}{2(4+2)} +\dfrac{4-2}{2} }\\\\\boxed{y=\dfrac{x+1}{12} +1}\\[/tex]

Answer Link

Otras preguntas

2. A certain recessive, lethal gene is carried on the X chromosome. (Lethal genes are those that result in death.) A man marries a woman who is hybrid for this
Why did European settlers prefer Africans to work on their land? A. They were stronger than Native Americans. B. They had more immunity to Old World diseases. C
In the right triangle shown, m
Examples of mixed crop/livestock farming??? Help
Determine the missing length. Show your work!
I need help please !!!!!!!!
2) The scale on a map is 1 : 20 000. What actual distance does a length of 8 cm on the map represent?
06.06 War on the Bank!— 411 File Part 1: Complete the Chart about Jackson's Presidency Use this chart to list details about major events that affected Jackson’s
Find the angular size of a circular object with a 1-inch diameter viewed from a distance of 4 yards. The angular size of the object is Iº. (Do not round until t
Anna is scolded for being a female and not covering her head true or false