Determine if the points (1,5),(2, 3) and (-2, - 11) are collinear.
Answers
Answered by
0
A(1,5),B(2,3)andC(−2,−11)
Now, AB=
(1
2
)+(2
2
)
=
5
BC=
(4
2
)+(14
2
)
=
212
CA=
(1
2
)+(16
2
)
=
257
As,CA>BC>AB
If points A,BandC are collinear then AB+BC=CA
But
5
+
212
=
257
So they are not collinear.
Answered by
4
Answer:
AB=sqrt(5)
BC=sqrt(212)
AC=sqrt(265)
No they are not collinear.
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