Write an equation for the line perpendicular to y = 2x - 5 that contains (-9,6). --- The given line has slope = 2 Any line perpendicular to it must have slope = (-1/2) ---- Form: y = mx + b Solve for "b": 6 = (-1/2)(-9) + b 6 = (9/2) + b
b = 3/2 ---------------- Equation: y = (-1/2)x + (3/2)
