Find the equation of a line passing through (15,-7) perpendicular to the line 5x+6y=11
5x+6y=11 arrange to y = mx+b form m = slope
6y = -5x +11
y = -5/6 x + 11 slope, m = - 5/6 perpindicular slope = - 1/m = -1 / ( -5/6) = 6/5
New line y = 6/5 x + b sub in the point 15, -7 to calculate 'b'
