Write an Equation for the Line Described $- 2 x + y = 8$

Write an equation for the line described. Write the equation in the form specified.
-perpendicular to $- 2 x + y = 8$ , through $( 5,4 )$ ; slope-intercept form

A) $y = - \frac { 1 } { 2 } x - \frac { 13 } { 2 }$
B) $y = \frac { 1 } { 2 } x - \frac { 13 } { 2 }$
C) $y = - 2 x - 13$
D) $y = - \frac { 1 } { 2 } x + \frac { 13 } { 2 }$