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It depends on what kind of line you are dealing with.
If you have the lines on paper...
- If they do not intersect, they are parallel.
- If they do, measure the angle. If it is 90° then they are perpendicular.
- If the slopes are the same, but they have a different y-intercept, they are parallel.
- if the slopes are inverse reciprocals of each other (i.e. 2 and -.5) then they are perpendicular.
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Can perpendicular lines be parallel lines?
It is impossible for parallel lines to be perpendicular. Perpendicular lines are intersecting lines, meaning that they cross each other. Parallel lines, on the other hand, are lines that never meet, no matter how far they are extended in either direction. So intersecting lines (which includes perpendicular lines) and parallel lines are exact opposites. Parallel lines will never meet or cross; they cannot be perpendicular.
Is two lines connected by their perpendicular is parallel?
Parallel lines run in the same direction. If they are intersected by one line and that line is perpendicular to both, then it proves that the lines run parallel to each other.
Is 2x equals y plus 8 a parallel line or a perpendicular line?
One single line is never parallel or perpendicular. Those words tell you somethingabout the relationship between two lines.
Is -x plus 2y equals 6 a parallel line or a perpendicular line?
One single line is never parallel or perpendicular. Those words tell you somethingabout the relationship between two lines.
Are perpendicular parallel line meet at right angles?
Parallel lines are lines that run side by side and never meet. Perpendicular lines are lines that meet in one point, forming four right angles around the point.
