Crossword puzzle

2. A mathematical sentence using an equal sign
3. an algebraic expression consisting of the sum or difference of two terms.
7. The set of all possible inputs
10. A number, variable, or product of both
13. is a value or set of values that makes an equation or system of equations true.
14. A graph that is a straight line.
17. The distance a number is from zero
19. a value that doesn't change
20. The point where a graph crosses the y-axis.

1. the set of all possible input values (x-values) for which the function is defined
4. A polynomial with one term
5. A number on its own
6. having the same value or meaning, even if they appear different
8. A polynomial with three terms.
9. Two or more linear equations involving the same variable
11. A number, variable,or product of both
12. describes a connection or relationship between the elements of two sets
15. A relation where each input has one output.
16. a variable is a symbol, typically a letter, that refers to an unspecified mathematical object.
18. The vertical line that cuts the parabola in half