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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?

 Jul 25, 2020
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X = (2,-4), so the sum of the coordinates is 2 + (-4) = -2.

 Jul 26, 2020
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that was wrong, thank you though

BillyBobJoeJr  Jul 26, 2020

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