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Which is the focus of a parabola with equation y2=-12x
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Dec 9, 2019
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Which is the focus of a parabola with equation y2=-12x
Mathematics
high-school
Airwavezx
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we have
y²=-12x
the vertex is the point (0,0)------------- > see the attached figure
standard form: (y-k)^2=4p(x-h), with (h,k) being the (x,y) coordinates of the vertex.
vertex(0,0)
4p=-12---- > p=-12/4
p=-3
Focus:(-3,0)
the answer is (-3,0)
Abhishekgarg
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Dec 14, 2019
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Abhishekgarg
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