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
Graph
Popular Examples
directrix y=x^2-6x-1directrix y^2+6y+8x+25=0directrix y=x^2+2x+3directrix y=x^2+2x+4directrix y=5x^2
Frequently Asked Questions (FAQ)
What is the directrix x^2+6x+8y=7 ?
The directrix x^2+6x+8y=7 is y=4