Which line has an equation of y = -5x + 4 in slope-intercept form?
a) Line passing through the points (1, 9) and (3, 19).
b) Line passing through the points (2, -14) and (4, -24).
c) Line passing through the points (1, 1) and (3, 11).
d) Line passing through the points (2, -6) and (4, -16).