igarymccutcheon igarymccutcheon
  • 17-10-2017
  • Mathematics
contestada

The midpoint of is M(–1, –2). One endpoint is C(–9, –4). Find the coordinates of the other endpoint D.

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Аноним Аноним
  • 17-10-2017

x coordinate of D  =  distance of 9 - 1 = 8 from point M

y coordinate of D  =  4-2 = 2  from point M

so coordinates of D are (--1+8 , -2 + 2)  = (7 , 0)  answer

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