Respuesta :

sqdancefan

Answer:

  A = (0, -8)

Step-by-step explanation:

  B = (A+C)/2 . . . . the midpoint is the average of the end points

  A = 2B -C = 2(-3, -5) -(-6, -2) . . . solve for A, substitute point values

  A = (0, -8)