Vocabulary

3. notation an alternative way to write the solution set
5. sets two sets with no elements in common
6. value measures a numbers distance from zero
7. numbers numbers that can be written as the ratio of two integers
8. a collection of objects or things
13. number any number that is coordinate of a point on the real number line
16. the numbers associated with the points on the line
17. & members objects in the set
18. inequality two inequalities connected by the word or
19. diagrams diagrams, or pictures, that represent the union and intersection of sets

1. number any positive integer larger than one, whose only positive factors are itself and one
2. term a term that contains the variable
4. the point on the line corresponding to zero
6. expression a combination of numbers, variables, and operation symbols
9. set a set with no members
10. inverses any two real numbers the same distance from zero, but in opposite directions from zero on the number line
11. equations two or more equations with the same solution set
12. number an integer greater than one, that is not prime
14. set the set of all numbers that, when used in place of the variable, make the equation a true statement
15. term a term that does not contain the variable