Prove that the points (4 -5), (1, 1) and (-2, 7) are collinear
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Step-by-step explanation:
By slope formula,
= y2-y1/x2-x1
Therefore,
== 1-(-5)/1-4
== 6/-3
== -2 ..... equation (1)
Now,
==7-1/-2-1
== 6/-3
== -2 ...... equation (2)
From equation 1 and 2 ,
slope of both are equal....
Therefore , it is proved that given points are collinear
Answered by
8
Step-by-step explanation:
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