Question

determine whether the points are collinear
P(-2,3) ,Q(1,2), R(4,1) ​

Answer 1

distance= greater number- smallest number

p= 3-(-2)

=5

Q=2-1

=1

R=4-1

=3

you should check bigger number in answer i.e 5

and addition of other two is 1+3=4

therefore is non collinear points