Mathematics, 28.01.2020 10:31 babygirl2984

Which pair of equations are perpendicular lines? a. 5x + 2y = 9 and y = –5/2x+27/2 b. x – 3y = 11 and y = –3x + 23 c. 4x + 2y = 6 and y = –2x + 18 d. x – 3y = 5 and y = 3x – 1

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Which pair of equations are perpendicular lines? a. 5x + 2y = 9 and y = –5/2x+27/2 b. x – 3y = 11 a...