Answer:
slope = 2
Explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Given
2y - 4x + 8 = 0 ( subtract - 4x + 8 from both sides )
2y = 4x - 8 ( divide all terms by 2 )
y = 2x - 4 ← in slope- intercept form
with slope m = 2