tharsher tharsher

29-04-2014
Mathematics

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the graphs of the equations y=2x-7 and y-kx=7 are parallel when k equals

Answer :

29-04-2014

[tex]y=2x-7 \ and \ y-kx=7 \\ \\ y=2x-7 \ and \ y=kx+7 \\ \\ two \ lines \ are \ parallel \ if \ their \ slopes \ are \ the \ same : \\ \\ k= 2[/tex]

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