Question 816643
We are looking for the midpoint between the two points.
For points (x1,y1) and (x2,y2) the midpoint is
( (x1+x2)/2 , (y1+y2)/2 )
For our point values (4,-1) and (-2,3)
this becomes
( (4+(-2))/2 , (-1+3)/2 )
 ( 2/2 , 2/2 )
 ( 1 , 1 )