Which is the directrix of a parabola with equation x^2 + 4y?
y = 1
x = -1
y = -1
...
Mathematics, 05.10.2020 16:01 meg329
Which is the directrix of a parabola with equation x^2 + 4y?
y = 1
x = -1
y = -1
x = 1
Answers: 2
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