Solution

directrix

Solution

Solution steps
Rewrite in the standard form:
Parabola is symmetric around the y-axis and so the directrix is a line parallel to the x-axis, a distance from the center y-coordinate
Refine

Popular Examples

directrix 4x^2-2xdirectrix directrix y=-x^2+18x-79directrix directrix y=(x-2)^2-7directrix directrix y>x^2-3directrix directrix x^2+20y=10directrix

Frequently Asked Questions (FAQ)

  • What is the directrix (x-3)^2=-8(y+2) ?

    The directrix (x-3)^2=-8(y+2) is y=0