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1
Line
L
L
L
has equation
y
=
4
x
−
3
y = 4x - 3
y
=
4
x
−
3
and passes through point
A
A
A
. Point
A
A
A
has
x
x
x
-coordinate
2
2
2
. Show that point
A
A
A
has coordinates
(
2
,
5
)
(2, 5)
(
2
,
5
)
. Hence find the equation of the line perpendicular to
L
L
L
that passes through point
A
A
A
.
[4]
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