Respuesta :

Answer:

(1,-3)

Step-by-step explanation:

Using the formula given (x1+x2/2, y1+y2/2), we plug in the midpoint values and the values of A:

-5+x2/2, 7+y2/2 = -2,2

After this, just do a simple guess and check to see if you can get the midpoint value. When done, you should get (1, -3).

Hope this helps :))

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