Mathematics, 28.11.2020 06:20 tristan4233
Find the equation of a parabola with a focus at (0,–1) and a directrix at y = 4.
y=−110(x+1)2+32
y
=
−
1
10
(
x
+
1
)
2
+
3
2
y=−110x2+32
y
=
−
1
10
x
2
+
3
2
y=−18(x+1)2+2
y
=
−
1
8
(
x
+
1
)
2
+
2
y=−18x2+32
Answers: 1
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Find the equation of a parabola with a focus at (0,–1) and a directrix at y = 4.
y=−110(x+1)2+32
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