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A diameter of a circle has the extreme...

A diameter of a circle has the extreme points (7,9) and (-1,-3) . The coordinates of the centre of the circle are -

A

`(-3,3)`

B

`(-3,-3)`

C

`(3,-3)`

D

`(3,3)`

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The correct Answer is:
D
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CHHAYA PUBLICATION-REVISION OF PREVIOUS TWO DIMENSIONAL COORDINATE GEOMETRY -EXERCISE 1 (MCQ)
  1. The square of the distance between the points (x,-y) and (-x,y) is -

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  2. The coordinates of the mid -point of line -segment joining the points...

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  3. A diameter of a circle has the extreme points (7,9) and (-1,-3) . Th...

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  4. The coordiantes of the centroid of the triangle fromed by the points (...

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  5. If twice the abscissa of a point moving in the xy -plane always excee...

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  6. For all values of theta , the coordinates of a moving point P are (aco...

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  7. If the square of distance of a moving point from the point (2,0) is eq...

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  8. The point P lies on 3rd quadrant and its distances from x- axis and y...

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  9. When the origin is shifted (retaining the direction of the axis) at th...

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  10. AB is a diameter of a circle having centre at C , if the coordinates o...

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  11. The centroid of the triangle formed by the points (1,2),(2,4)and (-3,6...

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  12. (a , 2b ) divides the line segment joining by the points (3a,0),(0,3b)...

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  13. A point moves in the xy -plan such that three times its distance from...

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  14. State in which of the following quadrants the point (sqrt(5)-3,sqrt(5...

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  15. The coordinates of a point referred to rectangular axis overset(harr)(...

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  16. If the points (am^(2),2am),(an^(2),2an)and(a,0) are collinaear then v...

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  17. State which of the follwing is the distance between the points (a+b,c-...

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  18. Which of the following is equal to the distance between the points (-1...

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  19. the ditance between the points (x,-7) and (3,-3) is 5 unit , state whi...

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  20. State which of the follwing are the coordinates of the mid - point of ...

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