SOLUTION: Your given the points A(2;4), B(-4;-1), C(-1;-7) and D(p;q) calculate p and q, if ABCD is a parallelogram

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Question 633446: Your given the points A(2;4), B(-4;-1), C(-1;-7) and D(p;q) calculate p and q, if ABCD is a parallelogram
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

A(2,4), 

B(-4,-1),  m = 5/6

D( p, q) 

C(-1,-7)   m = 5/6 = (q+7)/(p+1)



 q + 7 = 5

  p + 1 = 6

  q + p = 3

    p = 3-q

  (3-q) + 1 = 6, q = -2 and p =   5