Find the equation of the parabola with focus (0,-3) and directrix l=3
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Parabola is locus of point which bear a constant ratio from fixed point to a fixed line
PS /PM =1
PS = PM
LET P(x,y)
√ (x-0)^2 +(y+3)^2 =( x-3/√1)
Squaring on both sides
x^2 + y^2 + 6y +9 = x^2 -6x +9
Y^2 +6y +6x=0
Step-by-step explanation:
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