Find M so that the lines with equations 2x My 5 and 4y x 9 are perpendicular math homework help

Find M so that the lines with equations 2x My 5 and 4y x 9 are perpendicular math homework help

Find M so that the lines with equations -2x + My = 5 and 4y + x = -9 are perpendicular.

Please discuss how you got your answer.