Here are the equations of five straight lines.
Line A: 4y=x+84y = x + 84y=x+8 Line B: y=4x−5y = 4x - 5y=4x−5 Line C: y+4x=2y + 4x = 2y+4x=2 Line D: y=2x+3y = 2x + 3y=2x+3 Line E: 2y=4x+12y = 4x + 12y=4x+1
Two of these lines are perpendicular. Write down the two perpendicular lines.