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

The spinal cord Select one: A. is characterized by conscious activity. B. forms memory engrams. C. links the peripheral nervous system to the brain. D. controls
what is the name of the dance in peru that is similar to la cueca? chilecueca zamacueca perucueca africacueca
the addition of the hydride ion to vanillin would be correctly identified as what type of addition?
is the sahara desert the largest desert in the world
Which value is not in the range of the function? А. 0 B. 3 C. 4 D. 5​
if Dora has 1 ice cream plus 78 ice cream times 4000 divided by 7 how much ice cream would Dora have?
Is nanotechnology is good or bad? and why?
tea plants grows on slopes of tropical and subtropical region true or false​
what is kinetic energy
Part A: Why does the author describe the attitudes of the public? A. to show the struggles Elizabeth faced in her life B. to describe how Elizabeth’s achiev