10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank Pair of Linear Equations in Two Variables

  • question_answer \[ax+by+c=0\]does not represent an equation of line when ____.

    A)  \[a=c=0,\,\,b\ne 0\]

    B)  \[b=c=0,\,\,a\ne 0\]

    C)  \[a=b=0~\]

    D)  \[a=b\ne 0\]

    Correct Answer: C

    Solution :

    \[ax+by+c=0\] When a and b are equal to zero, then the above linear equation does not represent an equation of line.

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