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 y=(x+1)(x+2)directrix directrix y=x^2+x+1directrix directrix y=x^2+x+3directrix directrix-2x=(y+3)^2+6directrix directrix y=(3x^3-6x^2)/(x-2)directrix
Frequently Asked Questions (FAQ)
What is the directrix x^2+17x+16 ?
The directrix x^2+17x+16 is y=-113/2