| A | B |
|---|
| equation | mathematical sentence formed by palcing an equal sign between two expressions |
| inequality | statement formed by placing an inequality symbol between two expressions |
| relation | pairing of numbers in one set with numbers in another set |
| domain | each number is an input |
| range | each number is an output |
| input | numbers of the domain |
| output | numbers of the range |
| function | a relation if for each input there is exactly one output |
| vertical line test | to tell whether the relation is a function |
| equation in two variables | 2X - y = 5 |
| solution of an equation in two variables | an ordered pair (x,y) that produces a TRUE statement |
| graph of an equation in two variables | set of points that represent all the solutions |
| linear equation | an equation whose graph is a line |
| Function Form | an equation that is solved for y |
| X-intercept | point on a graph where a line crosses the X-axis |
| y-intercept | point on a graph where where the line crosses the y-axis |
| slope | the ratio of a line compairing the rise to its run |
| run | horizontal change |
| rise | vertical change |
| undefined slope | where the run of a slope is zero |
