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If the points A(-3, 9), B(a, b) and C(4,...

If the points `A(-3, 9), B(a, b) and C(4, -5)` are collinear and if `a+b=1`, find the a and b.

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The correct Answer is:
b=-1
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PREMIERS PUBLISHERS-CO-ORDINATE GEOMETRY -Other Important Objective
  1. If the points A(-3, 9), B(a, b) and C(4, -5) are collinear and if a+b=...

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  2. The area of the triangle formed by the points (0,0),(3,0) and (0,4) ...

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  3. The line y=k is

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  4. If the points (7,-2) (3,-6) and (5,k) are collinear then the value of ...

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  5. The line 5x-2y=11 and 2x+3y=12 intersect at :

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  6. The slope of the line 3x+2y-7=0 is :

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  7. The slope of the line joining (-2,-1) and (-5,8) is :

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  8. If A is (-7,2) and B is (2,-3) then the slope of the line perpendicula...

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  9. The equation of line through (2,1) and parallel to x+2y=5 is :

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  10. The equation of a line through origin and perpendicular to the line ...

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  11. The vertices of a triangleABC are (1,4)(3,5) and (-1,0) then its centr...

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  12. The area of the triangle ABC whose vertices are (2,1) (-3,4) (6,2) is...

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  13. If P(-1,2) , Q(k,-2) , R(7,4) are the vertices of trianglePQR whose ar...

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  14. Given that the points (-4,-1) (a,b) and (-2,5) are collinear and if ...

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  15. If (9,a) (3,2) (4,-1) are the vertices of a triangleABC whose area is...

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  16. The equation of a straight line whose x intercept is 3 and y intercept...

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  17. The equation of the line with slope 1/2 and passing through origin i...

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  18. The equation of any straight line parallel to y-axis and passing thro...

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  19. The equation of the line whose inclination is 45^@ and x-intercept 7 ...

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  20. The equation of a line through (-2,3) and where slope is 1/3 is give...

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  21. Equation of the line joining (6,10) and (14,12) is :

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