Expressions and Equations

3. quantity or parameter that does not change its value whatever the value of the variables
6. each of the quantities in a ratio, series, or mathematical expression
7. It is made up of two expressions set equal to each other
11. opposite operations that undo each other
13. a means of solving a problem
16. a mathmatical sentence indicating that quantities are not equal
17. 2 + 3 = 3 + 2
18. an expression built up from integer constants, variables, and the algebraic operations
20. (of a quantity or function) related to another so that their product is one

1. equality containing one or more variables
2. (of a quantity) able to assume different numerical values
4. equation of the form where P and Q are polynomials with coefficients in some field
5. terms that contain the same variables raised to the same power
8. equations that have the same solution
9. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
10. expressions that are the same, even though they may look a little different
12. lets you multiply a sum by multiplying each addend separately and then add the products
14. the relation between two expressions that are not equal
15. when the top and bottom cannot be any smaller (while still being whole numbers)
19. a collection of symbols that jointly express a quantity