| A | B |
|---|
| y=mx+b | slope intercept form of a line |
| y-y1=m(x-x1) | point-slope form of a line |
| Ax + By = C | standard form of a line |
| parallel lines | 2 lines with the same slope |
| perpendicular lines | 2 lines with opposite, reciprocal slope |
| rate of change | compares two quantities that are changing |
| x = c | vertical line |
| y = c | horizontal line |
| x-intercept | point where the line crosses the x-axis |
| y-intercept | point where the line crosses the y-axis |
| linear model | an equation that descibes a real-life situation |
| slope | ratio of vertical change to horizontal change |
