Question

Which of the following lines is perpendicular to the line Y equals 3X -4?

Y= -3x+9

Y equals 1/3 X -6

Y equals 3X +1/4
Y equals -1/3 X plus 4

Answer 1

y = -1/3x + 4

Explanation:

Perpendicular line are opposite and reciprocal.

So I flip 3x to 1/3 and change both signs. negative to positive and positive to negative.