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  3. 9th Class
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  5. Linear Equations in Two Variables

9th Class Mathematics Linear Equations in Two Variables Question Bank Linear Equations in Two Variables

  • question_answer
    Find the equation of the line that passes through the points \[(5,\,\,15)\] and\[(10,\,\,20)\].

    A) \[y=x+10\]                   

    B) \[y=x-30\]        

    C)        \[y=x+30\]       

    D)        \[y=x+15\]

    Correct Answer: A

    Solution :

    \[y=x+10\] Put \[x=5,y=15\] \[\Rightarrow \]\[15=5+10\] \[15=15\] Similarly, \[x=10,y=20\]also satisfies the line \[y=x+10\] Hence, \[y=x+10\]is the required line.


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