JEE Main & Advanced Mathematics Straight Line Question Bank Slope of line, Equation of line in different forms

  • question_answer
    The equation of the line passing through (4, -6) and makes an angle \[{{45}^{o}}\]with positive x-axis, is       [RPET 1984]

    A) \[x-y-10=0\]                            

    B) \[x-2y-16=0\]

    C) \[x-3y-22=0\]                          

    D) None of these

    Correct Answer: A

    Solution :

    The required equation is \[y+6=\] \[\tan {{45}^{o}}(x-4)\] \[\Rightarrow x-y-10=0\].


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