math extra credit

2. The set from which values of the variable (involved in the inequation) are chosen
4. The point where the line or curve crosses the axis of the graph
7. the bumps and dips on a function's graph
9. horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.
11. relating to, involving, or according to the laws of algebra
16. a relationship between input and output
17. a pictorial rendition of data in which specific values of a function are plotted as dots on a coordinate plane
18. the set of values that the function assumes
20. a ratio that describes, on average how much one quantity changes with respect to a change in another quantity

1. a graph that has a straight line
3. describes the behavior of the graph of the function at the "ends" of the x-axis
5. the property of an object to be able to be divided into two identical mirror halves.
6. a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
8. a mathematical statement that shows that two mathematical expressions are equal
10. a relationship between two expressions or values that are not equal to each other
12. a special ratio in which the two terms are in different units
13. vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.
14. the ratio of the change in the y-coordinate to the change in the x-coordinate as you move from one point to another
15. ax+by=c
19. All the values that go into a function