SOLUTION: Write an equation that says that P = (x, y) is on the parabola whose focus is (2, 1) and whose directrix is the line y = −1.

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Question 1158198: Write an equation that says that P = (x, y) is on the parabola whose focus is (2, 1) and
whose directrix is the line y = −1.

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Focus (2,1)
Directrix (x,-1)

P is supposed to be a function of x and y but to find the parabola,

%28x-2%29%5E2%2B%28y-1%29%5E2=%28x-x%29%5E2%2B%28y-%28-1%29%29%5E2
Simplify and put into whatever form you need.