Question

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

Answer 1

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