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

foci y=4x^2+8x-11foci y=-x^2+64x-292foci y=-2x+x(x-2)-2x(x-1)-(x-3)foci (y-2)^2=8(x-1)foci y^2+4x+1=0

Frequently Asked Questions (FAQ)

  • What is the foci (x+3)^2-8 ?

    The foci (x+3)^2-8 is (-3,-31/4)