Two Points Are Given from Each of Two Lines $L _ { 1 }$

question 47

Multiple Choice

Two points are given from each of two lines $L _ { 1 }$ and $L _ { 2 }$ . Without graphing the points, determine if the lines are perpendicular, parallel, or neither.
$L _ { 1 } : ( - 1,3 )$ and $( 8 , - 24 )$
$L _ { 2 } : ( - 9 , - 11 )$ and $( 3 , - 7 )$

• A) Perpendicular
• B) Parallel
• C) Neither

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