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Medal and Fan ho… - QuestionCove
OpenStudy (anonymous):

Medal and Fan how would you find the equation of a parabola, given the coordinate of the focus and the equation of the directrix?

2 years ago
OpenStudy (anonymous):

@Directrix

2 years ago
OpenStudy (amistre64):

use the definition of a parabola the set of all points that are equidistant from a focus, f, and a line directrix, d

2 years ago
OpenStudy (amistre64):

say f = (a,b) , and the directrix is y=k take the set of point (x,y) and equate the distances (x-a)^2 + (y-b)^2 = (x-x)^2 + (y-k)^2

2 years ago
OpenStudy (anonymous):

I know I am getting to this late, but thank you so much! :)

2 years ago
OpenStudy (amistre64):

youre welcome

2 years ago
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