neither
They are intersecting lines.
perpendicular
perpendicular
parallel
perpendicular
The lines that pass through points 4 -6 2 -3 and 6 5 3 3 on a grid are the lines y=x.
They are intersecting lines.
They are intersecting lines.
They are both vertical lines.
Mutually perpendicular lines.
Parallel
perpendicular
perpendicular
parallel
perpendicular
parrell
perpendicular