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anonymous
 5 years ago
How would you write an equation of the parabola with a directrix y = 1 and vertex (0,0)?
anonymous
 5 years ago
How would you write an equation of the parabola with a directrix y = 1 and vertex (0,0)?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0as the vertex is the origin there's no constant term

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the directx is the line that is equal distance from the curve of the graph to the focus of the parabola. If the directix is at y=1 then the focus is at y=1. I am guessing that the equation is (x^2), but I recall the equation of a parabola taking a slightly different form when you write it out geometrically.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0given the focus point its easier to find the equation of this parabola, as the equation is (xh)^2=4p(yk) where (h,k)=(0,0)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0p is the distance between vertex and directrix..try to find the value using this

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so, whats the equation?
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