Across
- 2. number-is a number that can be written
- 3. value- a number is the distance between the number and 0 on a number line.
- 5. of an inequality- a value that makes the inequality true.
- 7. plane- formed by the intersection of a horizontal number line and a vertical number line.
- 8. the number lines intersect at the origin.
- 10. of an inequality- shows all the solutions of the inequality on a number line.
- 11. numbers- grater than 0
- 12. separate the coordinate plane into four regions called quadrants.
- 13. mathematical sentence that compares expressions.
Down
- 1. set- the set of all solutions of an inequality- is called the solution set.
- 4. opposite of 0 is 0
- 6. set of whole numbers and their opposite
- 9. numbers-less than 0