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Given that $M( 1, -6)$ is the midpoint of $\overline{AB}$ and $A(-2, 1)$ is one endpoint, what is the sum of the coordinates of point B?

 

I tried to do the latex on this one so it would be easier to read!

 Apr 2, 2021
 #1
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B = (-1/2, -5/2), so the sum of the coordinates is -3.

 Apr 2, 2021
 #2
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A(-2, 1)

M(1, -6)

B(4, -13)

4 + (-13) = -9

smiley

 Apr 2, 2021

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