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Mathematics 18 Online
OpenStudy (anonymous):

find the equation of the line passing through the points 2,1 and parallel to the join of the points 1,3 and-3,1

OpenStudy (sweetburger):

find the slope of the line with points 1,3 and -3,1 first

OpenStudy (sweetburger):

then you know that parallel lines have the same slopes so you can plug the point 2,1 with your new found slope into the equation point slope

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