You can put this solution on YOUR website! Standard of Equation of Straight line
y=mx+b
m=slope
b=y-intercept
Compare given equations with equation of the line standard form
y=2.5*x
y-intercept 0, slope=2.5
y=(-3/7)*x-42.
y-intercept -42, slope=-3/7
Red line = y=2.5*x
Green line = y=(-3/7)*x-42