| __ | 11. | axes | | A. | A real number that can be written as a ratio of two integers |
| __ | 12. | coordinate plane | | B. | A real number that cannot be written as a fraction |
| __ | 13. | irrational/non-rational number | | C. | The horizontal (flat) line on a coordinate plane |
| __ | 14. | negative slope | | D. | the intersection of the x and y axes; (0,0) on a graph |
| __ | 15. | origin | | E. | a plane with a horizontal (x) and vertical (y) number |
| __ | 16. | positive slope | | F. | The vertical (standing upright) line on a coordinate plane |
| __ | 17. | quadrant | | G. | one of the four regions formed on a coordinate plane |
| __ | 18. | rational number | | H. | the graph of a line/equation that slants down left to right |
| __ | 19. | x-axis | | I. | the graph of a line that slopes up from left to right |
| __ | 20. | y-axis | | J. | plural of axis |