Match the following vocabulary words. 1. a diagram showing how one quantity depends on or changes with another quantity. horizontal axis 2. a graph that uses rectangular bars to show the comparisons or relationships. dependent variable 3. a graph that divides up a circle to show the relationship of the parts. axis 4. a graph in which points are plotted and then the points are joined with a line. graph 5. a graph that presents statistical data by using pictures. independent variable 6. data which changes because it is related to (dependent upon) something else. vertical axis 7. data whose value does not depend upon that of another variable. pictograph 8. the horizontal or vertical line on a graph. line graph 9. an axis that is parallel with the horizon. bar graph 10. an axis that is perpendicular to the horizontal axis. pie chart