seanisom7 seanisom7

21-11-2018
Mathematics

contestada

Which pair of equations represents two perpendicular lines?

A. y=-7/8x+3 and -7y=-8x
B. 8y=3x+40 and y=8/2x-1
C. 5y=15-2x and 2/5x-4=y
D. y=9x+3 and y=9x-1/3

Respuesta :

durga2005 durga2005

21-11-2018

I am pretty sure that the answer is A. because the slopes are reciprocals of each other, and so they are perpendicular

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