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In a coordinate plane two nonvertical lines are what if and only if the product of their slopes is -1?
perpendicular
In a coordinate plane two nonvertical lines are WHAT if and only if the product of their slopes is negative one?
Perpendicular
Lines that lie in the same plane and have no points in common are called?
Lines that lie in the same plane and have no points in common are called parallel lines. These lines maintain a constant distance from each other and never intersect, regardless of how far they are extended. In Euclidean geometry, parallel lines are characterized by having the same slope when represented on a coordinate plane.
What parallel lines intersect?
Parallel lines in the Euclidean plane do not intersect but all parallel lines in the projective plane intersect at the point at infinity.
Two lines in the same plane that do not intersect?
They are parallel lines
What are lines on a plane that do not intersect?
Parallel lines
What lines on a plane is that do not intersect?
Parallel lines.
Will non parallel lines intersect?
If the 2 lines lie in the same plane, and they are not parallel, then they will intersect at some point. If the 2 lines are skew lines, then they are not in the same plane, and they will not intersect (but they are Not Parallel)
What does not have a point of intersection?
Two parallel lines, a plane and a line in a plane parallel to it.
Lines in the same plane that do not intersect?
Parallel lines.
What are lines that are in the same plane and do not intersect?
Parallel lines
Which in a two lines in a plane do not intersect?
Parallel lines
