Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Let
L
L
L
be a normal to the parabola
y
2
=
4
x
y^2 = 4x
y
2
=
4
x
. If
L
L
L
passes through the point
(
9
,
6
)
(9, 6)
(
9
,
6
)
, then
L
L
L
is given by a.
y
−
x
+
3
=
0
y - x + 3 = 0
y
−
x
+
3
=
0
b.
y
+
3
x
−
33
=
0
y + 3x - 33 = 0
y
+
3
x
−
33
=
0
c.
y
+
x
−
15
=
0
y + x - 15 = 0
y
+
x
−
15
=
0
d.
y
−
2
x
+
12
=
0
y - 2x + 12 = 0
y
−
2
x
+
12
=
0
Browse the problem library