Algebra Puzzle

6. a number that describes how fast dependent variable changes in relation to independent variable (three words)
8. a statement that shows that two mathematical expressions are equal
11. a variable that changes independently of other variables, an input of a function
12. number that represents steepness of a line
13. a rule that defines relationship between two variables

1. a point where a line crosses the y-axis
2. a symbol or a letter that represents an unknown number
3. a value that does not change
4. a variable that represents the output value of a function
5. algebraic terms that have identical variable parts (two words)
7. a number multiplied into a variable in an algebraic term
9. a branch of mathematics that uses variables to model different numerical relationships
10. performance based assessment task done in place of Regents