Determine Which of the Lines $L _ { 1 } , L _ { 2 }$

question 62

Multiple Choice

Determine which of the lines $L _ { 1 } , L _ { 2 }$ and $L _ { 3 }$ passing through the indicated pairs of points are perpendicular.
$\begin{array} { | l | l | } \hline L _ { 1 } &\left(-1, \frac{4}{3}\right) ,\left(1, \frac{2}{3}\right) \\\hline L _ { 2 } &\left(1,-\frac{7}{6}\right) ,\left(4,-\frac{5}{3}\right) \\\hline L _ { 3 }& (-1,-4) ,(4,11) \\\hline\end{array}$

• A) \(L _ { 2 } \text { and } L _ { 3 }\)
• B) \(L _ { 1 } \text { and } L _ { 2 }\)
• C) \(L _ { 1 } \text { and } L _ { 3 }\)
• D)all are perpendicular
• E)none are perpendicular

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