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The midpoint of AB is M(6,1). If the coordinates of A are (4,8), what are the coordinates of B?

 Sep 5, 2020
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We realize that adding 2 to the x coordinate and -7 to the y coordinate gives us M. So we simply just add the 2 and -7 to m to get b.

And thus our final answer is (8,-6) is B.

 Sep 5, 2020

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