math crossword

1. when a shcage in one variable causes a change in another variable
5. a literal equation that shows how one variable is related to one or more other variables
8. to predict a value outside the range of known values using a graph or its equation
9. the expression b^2-4ac in the quadratic formula
11. a relation that pairs each input with exactly one output
12. a polynomial with two terms
15. an equation that is true for all values of the variable

2. how close a measured value is to the acute value
3. a statement that two expressions are equal
4. the set of all possible input values of a function
6. a junctions graph moves down as x moves to the right
7. when an operation performed on any two numbaers in the set results in a number that is also in the set
10. a line that a qraph approaches more and more closely
13. a mathematical sentence that compares expressions
14. a relationship between data sets