What is the equation of a parable with vertex (2,2) and the directrix is y=2.5?
1 Answer
Dec 7, 2016
The equation is
Explanation:
If the directrix is
The line of symmetry is
and the focus is
The distance of a point
graph{(2y-4+(x-2)^2)(y-2.5)=0 [-11.25, 11.25, -5.63, 5.62]}