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Mathematics 19 Online
OpenStudy (anonymous):

if the signs of the coordinates of collinear points P(-6,-2), Q(-5,2), and R(-4,6) are reversed, are the three new points still collinear?

OpenStudy (mertsj):

Did you reverse them to see?

OpenStudy (mertsj):

(6,2) (5,-2) (4,-6)|dw:1326938193863:dw|

OpenStudy (mertsj):

Sort of looks like it, doesn't it?

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