+0  
 
+1
84
2
avatar+176 

Let X, Y and Z be points such that \(\frac{XZ}{XY} = \frac{ZY}{XY} = \frac{1}{2}\) If Y = (1,7), Z = (-1,-7), then what is the sum of the coordinates of X?

 

btw the answer is not -2

 Jul 26, 2020
 #1
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-1

The conditions tell us that X is the midpoint of YZ, so X = (0,0).  So the sum of the coordinates is 0.

 Jul 26, 2020
 #2
avatar+176 
+1

not correct but thanks for trying :(

BillyBobJoeJr  Jul 27, 2020

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