19-08-2017
Mathematics

contestada

If the signs of a coordinate of collinear points (-6,-2), (-5,2) and (-4,6) are reversed, would it still be collinear?

Respuesta :

19-08-2017

Hello,
the transformation that applies (x,y) to (-x,-y) is a symmetry by the origin.
Every symmetry transforms a line into a line.

So the new points are also collinear.

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