Respuesta :
Distance from a point (x,y) on the graph of the function from the focus = distance from this point to the directrix. So we have
sqrt [( y-1^2 + (x - 2)^2] = y - (-3)
(y - 1)^2 + (x - 2)^2 = (y + 3)^2
y^2 - 2y + 1 + x^2 - 4x + 4 = y^2 + 6y + 9
8y = x^2 - 4x - 4
y = x^2/7 - x/2 - 1/2 Answer
sqrt [( y-1^2 + (x - 2)^2] = y - (-3)
(y - 1)^2 + (x - 2)^2 = (y + 3)^2
y^2 - 2y + 1 + x^2 - 4x + 4 = y^2 + 6y + 9
8y = x^2 - 4x - 4
y = x^2/7 - x/2 - 1/2 Answer
