SOLUTION: Is the line that contains the points (3,-3) and (-7,8) perpendicular to the line that contains the points (-8,-3) and (3,7)?
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Question 324183: Is the line that contains the points (3,-3) and (-7,8) perpendicular to the line that contains the points (-8,-3) and (3,7)?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Calculate both of the slopes.
Perpendicular lines have slopes that are negative reciprocals,
True, so therefore the lines are perpendicular.
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