Use distance formula to show that the polnts A(-2, 3), B(1, 2) and C(7, 0) are collinear
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Answered by
13
root ( x2- x1 )+( y2- y1 )
ab = 4 + (-1) = 3
bc = 6 + (-2) = 4
ca = 9 + (-3) = 6
3 + 4 =7
therefore , it is not collinear
ab = 4 + (-1) = 3
bc = 6 + (-2) = 4
ca = 9 + (-3) = 6
3 + 4 =7
therefore , it is not collinear
Answered by
7
Answer:
AC = √(−2−7)^2+(3−0)^2
=√81+9
=3√10
it is not colenear
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