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kassia

  • 4 years ago

What are the coordinates of the focus of the conic section shown below? y^2+16y-4x+4=0

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  1. abhisheksingh59
    • 4 years ago
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    (y+4)^2=4(x-5) This is a parabola with vertex at(5,-4), and axis of symmetry, y=-4 4p=4 p=1 ans: equation of directrix, x=4

  2. abhisheksingh59
    • 4 years ago
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    focus= (6,-4)

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