Show that the points a(-5,1), b(5,5) and c(10,7) are collinear.
Ashutosh Kumar Pathak
Answers!
sujeet kumar
Dec. 31, 2017, 11:32 p.m.
formula:- slope of AB =slope of BC
formula of slope=y2-y1/x2-x1
slope of AB =5-1/5-(-5)
=4/10=2/5
slope of BC= (7-5)/(10-5)=2/5
hence ab =bc which shows A B C ar collinear
Comment
Answer the question...
sujeet kumar
formula:- slope of AB =slope of BC
formula of slope=y2-y1/x2-x1
slope of AB =5-1/5-(-5)
=4/10=2/5
slope of BC= (7-5)/(10-5)=2/5
hence ab =bc which shows A B C ar collinear
Comment
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