Question
Mathematics Question on Parabola
The equation of the parabola with focus (3, 0) and directrix x + 3 = 0 is
A
y2=3x-9
B
y2=4x-12
C
y2=12x
D
y2=12x-36
E
y2=12x-9
Answer
y2=12x
Explanation
Solution
The correct option is (C): y2=12x
The equation of the parabola with focus (3, 0) and directrix x + 3 = 0 is
y2=3x-9
y2=4x-12
y2=12x
y2=12x-36
y2=12x-9
y2=12x
The correct option is (C): y2=12x