10th Class Mathematics Coordinate Geometry Question Bank Co-ordinate Geometry

  • question_answer
    Which of the following is a point on the graph of  \[3x-2y=4?\]

    A)  (0, 2)              

    B)         \[\left( \text{1},\text{ 4} \right)\]

    C)  (2, 0)                    

    D)         \[\left( \text{2},\text{ 1} \right)\]  

    Correct Answer: D

    Solution :

     We know that  he point on the line satisfies the equation (graph) of the line. Now, we are given that the equation of the line is,   \[3x-2y=4.\] So, we check that which of the value satisfies the graph (equation)                 \[(0,2)\,\,\,:\,\,\,3(0)-2(2)=-4\] \[(2,1)\,\,\,:\,\,\,3(2)-2(1)=4\] \[(1,4)\,\,\,:\,\,\,3(1)-2(4)=-5\] \[(2,0)\,\,\,:\,\,\,3(2)-2(1)=6\] \[(2,4)\,\,\,:\,\,\,3(2)-2(4)=-2\] As, we can see from above that \[(2,1)\] satisfies the equation of a line, so, point \[(2,1)\] is on the graph of\[3x-2y=4\].


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