Given the following system of equations and its graph below, what can be determined about the slopes and y-intercepts of the system of equations?

x + 2y = 8
2x + 4y = 12

A) The slopes are different, and the y-intercepts are different.
B) The slopes are different, and the y-intercepts are the same.
C) The slopes are the same, and the y-intercepts are different.
D) The slopes are the same, and the y-intercepts are the same.