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Verizon [17]
3 years ago
6

Which is the focus of a parabola with equation y2=-12x

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0
We have
y²=-12x

the vertex is the point (0,0)------------- > see the attached figure
<span>
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)

</span>the answer is (-3,0)   

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