Mathematics, 27.01.2020 18:31 fatimaacarrillo2005

Which pair of equations represents two perpendicular lines? option a: -3x +2y = 10 and 3y = 2x +12 option b: 2x + 5y = 45 and y + 2/5x = -9 option c: x= 4y +4 and x +4y=4 option d: 7x + 4y= 20 and y-3=4/7x

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Which pair of equations represents two perpendicular lines? option a: -3x +2y = 10 and 3y = 2x +12...