Answer:
(−13)
Explanation:
all lines perpendicular to it have a slope of
(
−
1
m
)
3
x
−
y
=
8
can be written as
XXXX
y
=
3
x
−
8
which is the slope intercept form, with a slope of
3
Any line perpendicular to
3
x
−
y
=
8
will have a slope of
(
−
1
3
)