Multiple choice The perpendicular distance of (11, –9) from the x–axis is 11 units –11 units 9 units –9 units Reveal answer Fill a bubble to check yourself C Correct answer Explanation The perpendicular distance of the point (11, –9) from the x-axis will be y coordinate of the point, but with a positive sign as the distance is never negative. So, the perpendicular distance of (11, –9) from the x-axis is 9 units.