Algebra crossword

4. rise/over
8. A rule that is expressed in terms of math symbols
9. An equality that holds true regardless of the values chosen for it's variables
13. when the line touches the x-axis
14. A quality that can be changed and is not fixed
16. A statement of an order relationship, greater than, greater than or equal to, less than, or less than or equal to
17. A number that includes a negative or positive numbers, including zero
19. when the line touches the y-axis

1. reducing the expression/ fraction/problem in a simpler form
2. rearranging an equation so that a different variable is on it's own
3. A statement that the values of two math expressions are equal
5. An expression of more than two math terms
6. represents operations or relationships between numbers or vaules
7. An expression consisting of three terms
8. A rule or law that defines
10. A line on which numbers are marked ar intervals, used to illustrate simple numerical operations
11. divided into four equal parts by the intersection of the a-axis
12. To find the value of the expression when the variable is replaced by a given number
15. A function that serves to undo another function
18. A ordered pair of numbers a and b, written a/b where b does not equal zero