livia042701 livia042701

13-01-2017
Mathematics

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XY has endpoints at x(2,-3) and y(-1,2). what is the length of XY?

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AbhiGhost AbhiGhost

13-01-2017

Let x(2,-3) (x1 , y1) and y(-1 , 2) (x2 , y2). Using distance formula, lXYl = [tex] \sqrt{[2-(-1)] ^{2}+[-3-2] ^{2} } = \sqrt{1+25} = \sqrt{26} = 5.09 [/tex]units.

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