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A(-3,0),B(1,3),C(2,-1) are the vertices ...

A(-3,0),B(1,3),C(2,-1) are the vertices of `triangleABC`. Then the equation of the altitude from A to BC is :

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PREMIERS PUBLISHERS-CO-ORDINATE GEOMETRY -Other Important Objective
  1. The slope of the line joining (-2,-1) and (-5,8) is :

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. The equation of a straight line through (2,1) with equal intercepts o...

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  17. Find the value of 'a' if the line through (-2,5)(2,-3) is perpendicula...

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  18. The x and y intercepts of the line 2x+5y=10 are :

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  19. Find the slope of the line which is perpendicular to 2x-4y+5=0

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  20. A(-3,0),B(1,3),C(2,-1) are the vertices of triangleABC. Then the equat...

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