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  5. Coordinate Geometry

9th Class Mathematics Coordinate Geometry Question Bank Co-ordinate Geometry

  • question_answer
    If (2, 2p + 2) is the mid-point of (3p, 4) and (-2, 2q), then the value of p and q are

    A)  2, 4       

    B)  3, 6           

    C)  7, 9                             

    D)  8, 10

    Correct Answer: A

    Solution :

    (a): \[\frac{3p-2}{2}=2,\frac{4+2q}{2}=2p+2\] \[\Rightarrow 3p-2=4\Rightarrow p=2\] \[\Rightarrow \frac{4+2q}{2}=6\Rightarrow 2q=8\Rightarrow q=4\]                       


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