Multiple choice The perpendicular distance of (- 2, - 4) from the x-axis is ______. 4 units 2 units 2 units 4 units Reveal answer Fill a bubble to check yourself D Correct answer Explanation The perpendicular distance of a point (- 2, - 4) from x-axis will be y co-ordinate but with a positive sign, as the distance is never negative. So, the perpendicular distance of (- 2, - 4) from x-axis is 4 units.