Determine Whether the Lines $L _ { 1 } : y = - \frac { 1 } { 2 } x - 3$

Multiple Choice

Determine whether the lines $L _ { 1 } : y = - \frac { 1 } { 2 } x - 3$ and $L _ { 2 } : y = - \frac { 1 } { 2 } x + 4$ are parallel, perpendicular, or neither.

A) neither
B) parallel
C) perpendicular