SOLUTION: I am totally lose on this one and have no idea how to do it. Use slopes to show that the square with vertices at (-2, 5), (4, 5), (4, -1), and (-2, -1) has diagonals that are perpe

SOLUTION: I am totally lose on this one and have no idea how to do it. Use slopes to show that the square with vertices at (-2, 5), (4, 5), (4, -1), and (-2, -1) has diagonals that are perpe

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Question 287311: I am totally lose on this one and have no idea how to do it. Use slopes to show that the square with vertices at (-2, 5), (4, 5), (4, -1), and (-2, -1) has diagonals that are perpendicular.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
plot these so you know which points are the diagonals.
take the points of the ends of the diagonals and find the slopes of the diagonals.
if the product of the slopes is -1 then they are perpendicular
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