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Question
Mathematics
The equation of the parabola whose focus is (-3,0) and the directrix is, x+5=0 is:
Q. The equation of the parabola whose focus is
(
−
3
,
0
)
and the directrix is,
x
+
5
=
0
is:
1186
185
Conic Sections
Report Error
A
y
2
=
4
(
x
−
4
)
13%
B
y
2
=
2
(
x
+
4
)
4%
C
y
2
=
4
(
x
−
3
)
18%
D
y
2
=
4
(
x
+
4
)
65%
Solution:
Eq. of the parabola is
(
x
+
3
)
2
+
y
2
=
∣
x
+
5∣
x
2
+
6
x
+
9
+
y
2
=
x
2
+
25
+
10
x
y
2
=
4
(
x
+
4
)