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Math Help - Equations of perpendicular lines

  1. #1
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    Equations of perpendicular lines

    I need help with this problem:

    Determine the equation of the line that is perpendicular to y=4x-8 and that passes through the origin.
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  2. #2
    Senior Member Peritus's Avatar
    Joined
    Nov 2007
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    <br />
\begin{gathered}<br />
  m_{normal}  =  - \frac{1}<br />
{4} \hfill \\<br />
  y =  - \frac{1}<br />
{4}x \hfill \\ <br />
\end{gathered}
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