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The midpoint M of QR has coordinates (5, 3). Point R has coordinates (3, 1). Find the coordinates of point Q.

Respuesta :

sqdancefan

Answer:

  (7, 5)

Step-by-step explanation:

The coordinates of M are the average of the coordinates of Q and R:

  M = (Q +R)/2

Solving for Q, we find ...

  2M = Q +R

  2M -R = Q

  2(5, 3) -(3, 1) = Q = (10-3, 6-1)

  Q = (7, 5)

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