Solution
directrix
Solution
Solution steps
Rewrite in the standard form
Parabola is symmetric around the x-axis and so the directrix is a line parallel to the y-axis, a distance from the center x-coordinate
Refine
Graph
Popular Examples
directrix y=x^2-6x+5directrix 2x^2-19x+9directrix x^2-4x+5directrix y= 1/2 x^2+9x+8directrix x= 1/4 y^2
Frequently Asked Questions (FAQ)
What is the directrix y^2-4x+4y-4=0 ?
The directrix y^2-4x+4y-4=0 is x=-3