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Derive the equation of the parabola with a focus at (2, -1) and a directrix of y = - = 2 f(x) = -(x + 2)2 - 3 4 7 3 f(x) = (x + 2)2 + 4 3 f(x) = -(x - 2)2 + 4 3 f(x) = -(x - 2)2 - 4
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Derive the equation of the parabola with a focus at (2, -1) and a directrix of y = - =

2
f(x) = -(x + 2)2 - 3
4
7
3
f(x) = (x + 2)2 +
4
3
f(x) = -(x - 2)2 +
4
3
f(x) = -(x - 2)2 -
4

User Roman Arzumanyan
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3.9k points

1 Answer

3 votes

Answer:

the second one is right

User SergV
by
3.6k points
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