(1 , 3) (2 , 6) (3,9) what is relation between these two Of bar graph
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let A (1 ,3) B (2 ,6) and C (3,9)
slope of AB=(6-3)/(2-1)=3/1=3
slope of BC=(9-6)/(3-2)=3/1=3
slope of AC=(9-3)/(3-1)=6/2=3/1=3
hence
slope of AB =slope of BC=slope of AC
hence all AB , BC and AC line's graph is parellel to each other .
slope of AB=(6-3)/(2-1)=3/1=3
slope of BC=(9-6)/(3-2)=3/1=3
slope of AC=(9-3)/(3-1)=6/2=3/1=3
hence
slope of AB =slope of BC=slope of AC
hence all AB , BC and AC line's graph is parellel to each other .
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