kooldude0400oyfxya
kooldude0400oyfxya kooldude0400oyfxya
  • 11-05-2018
  • Mathematics
contestada

Need help with this question: Write the equation of the parabola with focus (5,2) and directrix x=1

Respuesta :

mkryukova19 mkryukova19
  • 11-05-2018
Directrix  is x =1, so it is horizontal parabola.Vertex is between the focus and directrix on equal distance 5-x=x-1, 2x=6,
x=3. y -coordinate of the vertex for this parabola equals y-coordinate of the focus.
Vertex (3,2).

Focus has x=5 >1, so it is directed to the right.[tex](y-y_{0})^{2}=4p(x-x_{0}) \\(y-2)^{2}=4p (x-3) p is a distance between vertex and focus, and equals abs(p)=abs(5-3)= 2 \\(y-2)^{2}=(4*2) (x-3) \\(y-2)^{2}= 8 (x-3) [/tex]




Ver imagen mkryukova19
Answer Link

Otras preguntas

if 5000000 invested at 4% interest compounded continuously how much will the investment be worth in 30 years
what is the relationship between patient registration and the hospital charge master?
what diet cause high clesrol
A charge q of 7.3 × 1015 coulomb moves from point A to point B in an electric field. If the potential energy of the charge at point A is 3.5 × 10-12 joules and
Which process consists of a logical chain of steps
describes the government in which an individual is given “by God” the right to rule?
Evaluate the expression: 6x + 5 - 3y, when y = 3 and x = -2
which of the following represents a difference between how emperors were chosen during the Roman empire and how leaders were chosen in western Europe during the
On Birmingham Sunday the blood ran like wine, Which literary technique do the bolded words use? imagery metaphor prosody irony
What is the root word of conclusion?