Question

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

Answer 1

18 = y

Also puts thanks on his /\

Answer 2

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

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