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Let C=(3,5) be the midpoint of AB, where A=(1,8) and B = (x,y). What is the value of xy?

 Apr 4, 2021
edited by VoidAsks  Apr 4, 2021
 #1
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The other point is at (4,-5), so the sum of the coordinates is 4 - 5 = -1.

 Apr 4, 2021
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It is not that. The question changed

VoidAsks  Apr 4, 2021
 #3
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b is (5, 2) so x + y = 7

 Apr 4, 2021

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