Question

which lines are perpendicular to 3x-y=10? select all that apply

A. y=3x+5

B. y= -1/3x+17

C. x+3y=27

D. y-2=1/3 (3x+36)

Answer 1

B) y = -1/3 + 17
A line is perpendicular to another when the slope of one is the negative reciprocal of another line
example: negative reciprocal of x is -1/x