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Unformatted text preview: the line y=3x+2 and y=(-1/3)x-8. The slope of y1 equals 3 and the slope of y2 equals (-1/3). If you m1 is multiplied by m2 they equal -1. Hence they are perpendicular because the slopes equal -1 and form a 90 degree angle....
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- Spring '11
- Addition, 90 degree, Brenda McCoy, Jamie Jefferson