Which pair of equations would represent lines that are PERPENDICULAR to each other?
I.
3
x
−
2
y
=
12
II.
3
x
+
2
y
=
−
12
III.
2
x
−
3
y
=
−
12
I and II
I and II
II and III
II and III
I and III
I and III
None of these lines are perpendicular to each other.
1 answer
II & III