SOLUTION: Find equations for 4 lines, none of them horizontal or vertical, which intersect at the vertices of a rectangle. What is true about the slopes of these lines? Thank you!

Question 260755: Find equations for 4 lines, none of them horizontal or vertical, which intersect at the vertices of a rectangle. What is true about the slopes of these lines? Thank you!
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
line 1: y = -1x + 5
line 2: y = -1x + 2
line 3: y = 1x + 2
line 4: y = 1x - 2
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2 pr of slopes are parallel
2 pr. of slopes are perpendicular
adjacent lines have perpendicular slopes.
All angles are right angles
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