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Mathematics
Problem
A line
L
1
L_1
L
1
passes through the point
(
1
,
−
2
)
(1,-2)
(
1
,
−
2
)
and makes an angle of
135
∘
135^\circ
13
5
∘
with the positive
x
x
x
-axis. Which of the following is the equation of the line perpendicular to
L
1
L_1
L
1
and passing through the same point? a)
y
=
−
x
−
1
y = -x - 1
y
=
−
x
−
1
b)
y
=
x
−
3
y = x - 3
y
=
x
−
3
c)
y
=
x
+
3
y = x + 3
y
=
x
+
3
d)
y
=
−
x
+
1
y = -x + 1
y
=
−
x
+
1
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