SOLUTION: 1. Find the equation of the parabola with vertex at (3,8) directrix Parabola 2. Find the equation of the parabola with vertex at (5,-1), focus (3,-1) With the way please

Question 570123: 1. Find the equation of the parabola with vertex at (3,8) directrix Parabola

2. Find the equation of the parabola with vertex at (5,-1), focus (3,-1)
With the way please
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
1. Find the equation of the parabola with vertex at (3,8) directrix Parabola
(insufficient information to solve)
2. Find the equation of the parabola with vertex at (5,-1), focus (3,-1)
With the way please
Standard form of equation of parabola with given data: (y-k)^2=-4p(x-h), with (h,k) being the (x,y) coordinates of the vertex. Given parabola opens leftward with axis of symmetry, y=-1.
p=distance from the vertex to focus on the axis of symmetry=2
4p=8
Equation of given parabola: (y+1)^2=-8(x-5)

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