Respuesta :

Answer:

(0,0)

Step-by-step explanation:

(x,y)= ( (x1 +x2)/2 , (y1+ y2)/2 )

= ( -7+7/2 , 7-7/2)

= (0/2 , 0/2)

= (0,0)

Therefore, the midpoint is at interval (0,0)