Which of the following systems of linear equations in slope-intercept form is represented by the lines shown in the graph?
y=−4/5x+32/5 ; y=−2/5x+16/5
y=4/5x−32/5 ; y=2/5x−16/5
y=−5/4x+10 ; y=−5/2x+20
y=−2/5x+8 ; y=−4/5x+8