treefrog12389 treefrog12389

07-08-2020
Mathematics

contestada

HELP! QUICK!
What is the equation for the parabola with focus (2,7) and directrix y = -2?

Respuesta :

wqfdfrqd wqfdfrqd

08-08-2020

Answer:

1/18(x-2)^2+45/18=y

Step-by-step explanation:

(x-2)^2+(y-7)^2=(y+2)^2

(x-2)^2+y^2-14y+49=y^2+4y+4

(x-2)^2-14y+49=4y+4

(x-2)^2+45=18y

1/18(x-2)^2+45/18=y

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Sakura1tsMe0blade Sakura1tsMe0blade

26-08-2020

18 = y

Also puts thanks on his /\

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