Homework Help Forum: geometry

Posted by KIM on Thursday, October 8, 2009 at 10:33pm.

how would you solve this math problem: Given AC with endpoint a (16,-6) and midpoint M (3, 7). What are the coordinates of end point C?

• geometry - MathMate, Thursday, October 8, 2009 at 11:22pm

  Since AM=MC, you can find the coordinates of C by adding to M the difference between A and M i.e. Xc = Xm+ (Xm-Xa) Same goes for Yc. Watch out for the signs.

  
  

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