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

What caused the Bantu-speaking peoples to migrate?
If a country is currently utilizing all of its scarce resources to produce 100,000 milkshakes, is there any way that it could ever produce more milkshakes? What
Trained as a lawyer, Charles decides to do research on the lawyer-client relationship. He wants to examine the patterns of interaction between lawyers and their
Rule: Start at 3 and 1/8, subtract 3/4
you will write a complete class called SquaresCubes in a file called SquaresCubes.java and upload the file. This class should have the following methods :padStr
Can use the Pythagorean theorem to solve for b if c is 13 and a is 12
Using the two circuits, calculate i1, i2, v1, v2, the power (PR) being dissipated (absorbed) by the resistor, and the conductance (PG). Assume that Is= 2.7A, Vs
Air has weight due to
Fink Insurance collected premiums of $18,900,000 from its customers during the current year. The adjusted balance in the Deferred premiums account increased fro
what is an alkali metal?​