raymondtini2468 raymondtini2468

23-02-2015
Mathematics

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if a line segment has endpoint A(3x+5,3y) and B(x-1,-y), what are the coordinates of the mid point of line AB

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konrad509 konrad509

23-02-2015

midpoint formula - [tex]\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)[/tex]
[tex] \left(\dfrac{3x+5+x-1}{2},\dfrac{3y-y}{2}\right)=\\ \left(\dfrac{4x+4}{2},\dfrac{2y}{2}\right)=\\ (2x+2,y)[/tex]

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