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Point M is the midpoint of XY. If
the coordinates of M are (-4,3)
and the coordinates of X are (-1,5),
what are the coordinates of Y? Help? Please

Point M is the midpoint of XY If the coordinates of M are 43 and the coordinates of X are 15 what are the coordinates of Y Help Please class=

Respuesta :

sqdancefan

Answer:

  d)  (-7, 1)

Step-by-step explanation:

If M is the midpoint of XY, then ...

  M = (X +Y)/2

  2M = X +Y

  Y = 2M -X

  Y = 2(-4, 3) -(-1, 5) = (2(-4)-(-1), 2(3) -5)

  Y = (-7, 1)

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