contestada

Which of the following lines is perpendicular to the line y=7/8x-2?
Group of answer choices

y=-8/7x+4

y=-7/8x+9

y=7/8x+1/2

y=8/7x-6

Respuesta :

Answer:

Standard form for straight line   y =  m x + b  where m is slope

m' = -m   or m * m' = -1

answer a  or y = - 8/7 + 4     satisfies this requirement

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