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Mathematics, 03.02.2021 23:00 ira51

Which is the equation of a parabola with vertex (0,0), that opens to the left and has a focal width of 12?
a. y2 = 12x
c. x2 = 12y
d. 2 =-12y
b. y2=-12x

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Which is the equation of a parabola with vertex (0,0), that opens to the left and has a focal width...
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