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
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Popular Examples
directrix 3x^2+6x-4directrix directrix x^2+2x-12y+37=0directrix directrix 2x^2+16x+35directrix directrix y=40x-5x^2directrix directrix 4y^2+3x=0directrix
Frequently Asked Questions (FAQ)
What is the directrix y=-8x^2+4 ?
The directrix y=-8x^2+4 is y= 129/32