SOLUTION: Write an equation of the parabola with the focus at (-2,0) and the directrix at x=4.
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Question 1004723
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Write an equation of the parabola with the focus at (-2,0) and the directrix at x=4.
Answer by
josgarithmetic(39620)
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Your parabola has a horizontal symmetry axis. This demonstration will help:
Deriving equation for parabola, in case vertex is not at the Origin, or even if it is
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