Answer:
perpendicular
Explanation:
Let's find the slope of both lines
For line 3x-6y=-1
-6y=-1-3x
y=1/6+½x
m=½
For line 18x+9y=-14
9y=-14-18x
y=-14/9-2x
m=-2
m1•m2=½×-2=-1
since m1•m2=-1 the lines are perpendicular
perpendicular because m1×m2=-1
1.6m questions
2.0m answers