Find an equation whose graph is a parabola with directrix y= -1 and vertex (1,3)?
1 Answer
Jun 21, 2017
The equation of parabola is
Explanation:
The equation of parabola in vertex form is
The equation of parabola is
The vertex is
The distance between vertex and directrix is
We know
So the equation of parabola is
graph{1/16(x-1)^2+3 [-40, 40, -20, 20]} [Ans]