Answer :
(X1+X2 Y1+Y2 ) = midpoint
——— , ——-
2 2
So -4= X1
7= Y1
-1= X2
-1= Y2
Plug those in
-4+-1 7+-1
———, ———-
2 2
Simplified
-5
( —, 3)
2
——— , ——-
2 2
So -4= X1
7= Y1
-1= X2
-1= Y2
Plug those in
-4+-1 7+-1
———, ———-
2 2
Simplified
-5
( —, 3)
2