Respuesta :

Answer:

  (3 7/8, -1 3/4)

Step-by-step explanation:

The midpoint is the average of the end point coordinates:

  ((5 1/2, -4 3/4) +(2 1/4, 1 1/4))/2

  = (7 3/4, -3 1/2)/2 = (3 7/8, -1 3/4)