Question 489795: The lenght of a segment must be a positive number, Explain why the order of the coordinates f=do not matter. Answer by cleomenius(959) (Show Source):
You can put this solution on YOUR website! As long as you are consistent with which is x1y1 and x2y2 you will obtain the distance of the x and y values of the points, this is what we are interested in obtaining.
when you obtain the square of each distance, you will obtain a positive number.
Cleomenius.
