+0

help?

+1
84
2
+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
-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
+176
+1

not correct but thanks for trying :(

BillyBobJoeJr  Jul 27, 2020