Across
- 6. the set of real numbers beginning with 1, 2, 3,...
- 7. a mathematical sentence that states that two expressions are equal
- 10. the set of all numbers that can be represented on a number line containing the natural numbers, whole numbers, integers, rational numbers, and irrational numbers
- 12. an equation that expresses the relationship between certain quantities
- 14. the set of real numbers that includes the natural numbers and zero
- 16. the order in which expressions are simplified, beginning with parentheses, then exponents, then multiplication and division, and ending with addition and subtraction
- 17. the set of real numbers that cannot be expressed as a ratio of integers, decimal never repeats or terminates
- 18. a set that has no elements, represented by {}
- 19. a value that makes a true statement when it replaces a variable
Down
- 1. notation that defines a set by an arbitrary variable and the characteristic that makes that variable a member of the set, e.g., {x|x<4}
- 2. ________________ contain at least one variable
- 3. the set of real numbers containing positive whole numbers, negative whole numbers, and zero
- 4. the combination of two or more sets that includes all of the elements of the sets whether or not any elements are held in common
- 5. a symbol, usually a letter, that stand in the place of an unknown number
- 8. the distance from a number to zero on a number line, always positive
- 9. the set of real numbers that can be expressed as a ratio of integers, the decimal either terminates or repeats
- 11. two inequalities that are joined by "and" or "or"
- 13. the elements that two or more sets have in common
- 15. a mathematical statement containing one or more variables