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Show that the line joining (2,-5) and (-...

Show that the line joining (2,-5) and (-2, 5) is perpendicular to the line joining (6,3) and (1,1).

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RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
  1. What can be said regarding a line if its slope is i. positive ii. zero...

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  2. Show that the line joining (2,-3) and (-5,1) is parallel to the line ...

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  3. Show that the line joining (2,-5) and (-2, 5) is perpendicular to the ...

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  4. Without using Pythagoras theorem, show that the points A(0,4),\ B(1,2)...

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  5. Prove that the points (-4, -1), (-2, -4), (4,0) and (2,3) are the v...

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  6. If three points A(h ,0),\ P(a , b)a n d\ B(0, k) lie on a line, show t...

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  7. The slope of a line is double of the slope of another line. If tangen...

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  8. Consider the following population and year graph: find the slope of th...

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  9. Without using distance formula, show that points (-2,-1) , (4,0) , (3,...

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  10. Find the angle between the X-axis and the line joining the points (3,-...

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  11. Line through the points (-2,6) and (4,80 is perpendicular to the line ...

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  12. Find the value of x for which the points (x-1),\ (2,1)a n d\ (4,5)\ a...

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  13. Find the angle between X-axis an the line joining the points (-3,-1) ...

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  14. By using the concept of slope, show that the points (-2,-1), (4,0), ...

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  15. A quadrilateral has vertices (4,1), (1,7),(-6,0) AND (-1,-9). Show th...

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  16. Write down the equation of the following lines: x-axis

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  17. Write down the equation of the following lines: y - axis

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  18. Write down the equation of the following lines:  A line parallel to x-...

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  19. Write down the equation of the following lines: a line parallel to ...

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  20. Find the equation of a line which is parallel to x-axis and passes ...

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