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Mathematics
Mathematics
Problem
The line
L
1
L_1
L
1
passes through the points
(
5
,
−
1
)
(5,-1)
(
5
,
−
1
)
and
(
−
3
,
7
)
(-3,7)
(
−
3
,
7
)
. A line
L
2
L_2
L
2
is perpendicular to
L
1
L_1
L
1
and passes through the
x
x
x
-intercept of
L
1
L_1
L
1
. Which of the following is the equation of
L
2
L_2
L
2
in slope–intercept form? a)
y
=
−
x
+
4
y = -x + 4
y
=
−
x
+
4
b)
y
=
x
+
4
y = x + 4
y
=
x
+
4
c)
y
=
x
−
4
y = x - 4
y
=
x
−
4
d)
y
=
−
x
−
4
y = -x - 4
y
=
−
x
−
4
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