The equation of a line is y = 2x - 4. If the equation is changed to y = 2x - 2, how will the graph of the line change?
AThe line will shift up 2 units.
BThe line will shift down 2 units.
CThe line will shift right 2 units.
DThe line will shift left 2 units.
AThe line will shift up 2 units.
BThe line will shift down 2 units.
CThe line will shift right 2 units.
DThe line will shift left 2 units.