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Mathematics
Problem
A parabola has its vertex at the origin, opens to the left, and its latus rectum has length
6
6
6
units. Which of the following is the equation of the parabola? a)
x
2
=
−
6
y
x^{2}=-6y
x
2
=
−
6
y
b)
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
c)
y
2
=
−
6
x
y^{2}=-6x
y
2
=
−
6
x
d)
y
2
=
−
12
x
y^{2}=-12x
y
2
=
−
12
x
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