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1st problem : find the equation of the straight line having slope $m$ passing through the point $(a, 0)$. What are the coordinates of the point of intersection of this line with the y-axis?
2nd problem : find an equation of the line passing through the point $(1, 5)$ with a negative slope and forms with the coordinates axis a triangle with area $10$ sq. units. Please I want answers with steps.

Thank you!

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    I believe almost identical questions have been asked here $n + 1$ times.2012-11-09
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    It is much easier to google: equation of a line.2012-11-09
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    So, what do you know about equations of lines? Hard to answer the questions in a helpful way without knowing that.2012-11-09
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    i have only 15 years old and i have try to solve them more than 5 times !2012-11-09
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    How about [this](http://tutorial.math.lamar.edu/Classes/Alg/Lines.aspx)?2012-11-09
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    yea i have tried by this roles but didn't make any difference ! :'(2012-11-09
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    ibrahim, please try to answer my question: what do you know about equations of lines?2012-11-09

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