Need some help writting a formula for this conic section.

Given: Focus is (1,1) and directrix is y=-x-2

Thanks

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- May 20th 2008, 12:32 PMDaddycakesEquation of a parabola Given Focus and Directrix
Need some help writting a formula for this conic section.

Given: Focus is (1,1) and directrix is y=-x-2

Thanks - May 20th 2008, 01:20 PMgalactus
You can use the distance formula and the formula for the distance from a point to a line.

Square both sides:

Expand and simplify. - May 20th 2008, 02:36 PMDaddycakes
- May 20th 2008, 04:27 PMtopsquark