3. What do you call the horizontal number line in the Cartesian plane?
A. X-axis
C. origin
B. y-axis
D. quadrant
4. When plotting the point (-8,1), which describes the movement along the x-axis and y-
axis in the correct order?
A. 8 units right then 1 unit up
B. 8 units down then 1 unit left
C. 8 units left then 1 unit up
D. 8 units up then 1 unit right​