we have that two coordinates [tex] (x1,y1) [/tex] and ([tex] (x2,y2) [/tex].
[tex] x1=9,y1=5,x2=17,y2=4 [/tex].
we know that midpoint is [tex] (x,y)=(x1+x2)/2, [/tex][tex] (y1+y2)/2 [/tex]
[tex] (x,y)=(9+17)/2,(5+4)/2=(13,4.5) [/tex].
so (13,4.5) is the midpoint of the line segment.
