| A | B |
| coordinate system | system formed by the intersection of two numberlines |
| y - axis | vertical numberline (up and down) |
| x - axis | horizontal numberline (side to side) |
| origin | the point at which the numberline intersect (0,0) |
| ordered pair | pair of numbers used to locate any point on a coordinate plane |
| relation | a set of ordered pairs |
| domain | set of x - coordinates in a relation |
| range | set of y - corrdinates in a relation |
| function | a relation in which each member of the domain is paired with exactly one member in the range |
| function rule | the operation performed on the domain value to get the range value |
| equation | a mathmatical sentence stating that two quantities are equal |
| function table | table that lists the x coordinates (input), rule, and y - corrdinates (output) |
| scatter plot | shows the relationship between a set of data with two variables graphed together as an ordered pair on a coordinate plane |