Geometry; CC 2015 > Chapter 3 > Section Exercises 3.5 > Exercise 18 Write an equation of the line passing through point P (4, -6) that is perpendicular to the line y -3 Graph the equations of the lines to check that they are perpendicular, Line Undo Redo x Reset 10 4 8 6 18 4 2 -10 -6 -4 * 0 2 4 6 8 10 -2 n calculator -4 m graphing calculator -6 -8 check answer -10