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The points ( 3 , - 2) , (- 2 , 8) and (...

The points ( 3 , - 2) , (- 2 , 8) and ( 0 ,4) are three points in a plane . Show that these points are collinear . `(AS_(2))`

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The correct Answer is:
` = (1)/(2) | 12 - 12| = 0 `
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VGS PUBLICATION-BRILLIANT-COORDINATE GEOMETRY -CCE model examination
  1. The points ( 3 , - 2) , (- 2 , 8) and ( 0 ,4) are three points in a...

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  2. Find the distance between the points (5 , 7) and (7 , 5) by plotting t...

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  3. Are the points (5 , 7) and (7 , 5) equal ?

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  4. Find the point on X-axis which is equi distant from the points ( 5 , 7...

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  5. The X-coordinate of the point of intersection of the two ogives of gro...

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  6. Centroid of triangle , whose vertices are ( - a , 0) , (0 , b) and (a...

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  7. The formula to find the area of a tri-angle is ....

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  8. In the given figure, area of DeltaOAB is .......

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  9. Slope of the line that passes through the points P(x(1),y(1)) and Q...

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  10. In a coordinate plane ,if line segment AB is parallel to X-axis, then ...

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  11. The area of a triangle whose vertices (points) are ( 0 , 0) , ( 3 , ...

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  12. Slope of the line passing through the points ( - 1 , 1) and ( 1 , 1) i...

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  13. If the co-ordinates of the vertices of a rectangle are (0 , 0) , ( 4 ...

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  14. Sum of the distances from A ( 3 , 4) to x - axis and from B ( 5 , 7) t...

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  15. ( x , y) , ( 2 , 0) , ( 3 , 2) and ( 1 , 2) are vertices of a paralle...

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  16. The graph represented by y =x is ......

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  17. The distance between two points A ( acos theta, 0 ) , B ( 0 , a sin t...

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  18. The area of the triangle BOA is .......sq. units .

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  19. Slope of the line passing through the points ( 4 , 6) and ( 2 , - 5) i...

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  20. A point on the Y-axis is of form

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  21. A point of the X-axis is of the form

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