Solution

foci

Solution

Solution steps
Rewrite in the standard form
Parabola is symmetric around the y-axis and so the focus lies a distance from the center along the y-axis
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Popular Examples

x^2+y^2-4x+8y-5=0directrix x=2y^2foci 0=-400/9 x^2+16y^2+4005x^2+7y=3center 41x^2+16y^2+246x-192y+289=0

Frequently Asked Questions (FAQ)

  • What is the foci x^2+4x-4y=0 ?

    The foci x^2+4x-4y=0 is (-2,0)