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.
$L _ { 1 } : ( 4,11 )$ and $( 0,7 )$
$L _ { 2 } : ( - 6 , - 4 )$ and $( 7,9 )$
A) Parallel
B) Perpendicular
C) Neither

Question

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The Answer of 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.
$L _ { 1 } : ( 4,11 )$ and $( 0,7 )$
$L _ { 2 } : ( - 6 , - 4 )$ and $( 7,9 )$
A) Parallel
B) Perpendicular
C) Neither

Two Points Are Given from Each of Two Lines L1L _ { 1 }L1​

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