Parallel and perpendicular lines Quiz Welcome to your Parallel and perpendicular lines Quiz Please click "Next" What is the slope of a line parallel to the one of the following line m = 1/4 m = 4 m = - 1/4 What is the slope of a line perpendicular to the one of the following line m = 3/2 m = 2/3 m = - 2/3 What is the slope of a line parallel to the one of the following line y = - 3 y = 3 y = 1/3 What is the slope of a line perpendicular to the one of the following line m = 6 m = undefined m = 0 What is the slope of a line parallel to the one of the following line m = - 2 m = 2 m = 1/2 What is the slope of a line perpendicular to the one of the following line m = 8 m = 0 m = undefined Time is Up! Time's up