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Mathematics, 18.12.2019 13:31 davelopez979

10. which pair of equations below represent perpendicular lines?
a) y = 7/8x + 12and y = -8/7 x – 8
b) y = 5x + 15 and y = -5x + 15
c) y = 4x + 9 and y = 4x -9
d) y = 9 and y = 18

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10. which pair of equations below represent perpendicular lines?
a) y = 7/8x + 12and y = -8/7...
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