Across
- 1. a two-dimensional plane formed by the intersection of two number lines
- 3. the non-negative value of x without regard to its sign
- 5. any number that can be written as a fraction
- 7. a whole number that can be positive, negative, or zero
- 8. a number such that when we substitute that number for x we have a true statement
- 11. a region defined by the two axes of the coordinate system
- 13. set of values that satisfy a given set of equations or inequalities
Down
- 2. any number greater than zero
- 4. the process of showing what part of the number line contains values that will "satisfy" the given inequality
- 6. the relationship between two values that are not equal
- 9. the opposite of a negative or positive number
- 10. a beginning or starting point
- 12. any number less than zero