SOLUTION: Write the equation of the parabola that has its focus at (2,1) and directrix is x=-2?
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Question 751999: Write the equation of the parabola that has its focus at (2,1) and directrix is x=-2?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The equation of a parabola with focus at )
and directrix at 
is:
^2\ +\ a^2\ -\ c^2\ =\ 2(a\ -\ c)x)
Just plug in your numbers and simplify.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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