Math crossword

3. a well defined collection of objects
5. numbers you can multiply together to get another number
7. an operation that reverses the effect of another equation
9. lines that are always the same distance apart and they never touch
10. shows how many times to use that number in multiplication
11. an equation that makes a straight line when it is graphed
12. the point halfway along
13. a special relationship between values:each of it's input values gives back exactly one output value
15. y=mx+b
20. a polynomial with 2 terms

1. a special curve that is shaped like an arch
2. how far a number is from zero
4. an expression that is the ratio of 2 polynomials
6. lines that cross over and have some common point
8. the bottom number in a fraction
14. set of values of the independent variable(s) for which a function is defined
16. says that 2 values are not equal
17. a polynomial with 3 terms
18. a number used to multiply a variable
19. a polynomial with only one term