Question 1140354
points (4,6) and (x,0)
Focus and Directrix


{{{(x-4)^2+(y-6)^2=(x-x)^2+(y-0)^2}}} from Distance Formula and definition for parabola



{{{(x-4)^2+y^2-12y+36=y^2}}}

{{{x^2-8x+16=12y-36}}}

{{{highlight((x-4)^2=12(y-3))}}}