if the points A(x,y),B(3,6)and C(-3,4)are collinear ,show that x-3y+15=0.
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if these points B(3, 6) and c (-3, 4) are collinear then these points must satisfy the given equations x-3y+15=0
1 point 3, 6
x=3 y =6
so
3-3x6+15=18-18=0
for second point -3, 4
-3-3*4+15=0
-3-12+15=0
15-15=0
hence these point are collinear.
if these points B(3, 6) and c (-3, 4) are collinear then these points must satisfy the given equations x-3y+15=0
1 point 3, 6
x=3 y =6
so
3-3x6+15=18-18=0
for second point -3, 4
-3-3*4+15=0
-3-12+15=0
15-15=0
hence these point are collinear.
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