57. In the standard (x, y) coordinate plane, define the h-v distance between 2 points to be the length, in coordinate units, of the shortest path between the 2 points using only horizontal and vertical segments. The expression |5 - 2| + |3 - (-4)| gives the h-v distance between which of the following pairs of points?

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

The expression is the sum of the absolute values ​​of the difference between the horizontal and vertical coordinates of two points. The horizontal and vertical coordinates of the two points are 5 and 2, 3 and -4 respectively. Since it is impossible to determine who is in front of the horizontal and vertical coordinates, there are two possibilities: (5,3) and (2, -4), or (3.5) and (-4,2)