Exercise 4.2 1. Write down the gradient of each of these lines: a) The line parallel to y = 4x + 2 b) The line perpendicular to y = -x + 3 c) The line parallel to y = -x-1 d) The line perpendicular to y = x - 4 e) The line perpendicular to y = -x + 1 f) The line perpendicular to y + 3x = 2 g) The line parallel to 2y-x = 7 h The line perpendicular to 4y + 3x = -4.
