What is the equation of the parabola with a focus at (-1,3) and a directrix of y= -6?
1 Answer
May 18, 2016
Equation of parabola is
Explanation:
Here the directrix is a horizontal line
Since this line is perpendicular to the axis of symmetry, this is a regular parabola, where the
Now the distance of a point on parabola from focus at
Its distance from focus is
Hence,
or
or
or