When the focus and directrix are used to derive the equation of a parabola, two distances were set equal to each other. = The distance between the directrix and __ is set equal to the distance between the___and the same point on the parabola.
When the focus and directrix are used to derive the equation of a parabola, two distances were set equal to each other.
The distance between the directrix anda point on the parabola is set equal to the distance between the focus and the same point on the parabola.