| A | B |
|---|
| 60km/h | unit rate |
| constant of variation | k |
| 63 pages/45 min | rate |
| 4 students/9 students | ratio |
| y = kx | direct variation equation |
| rate of change | slope |
| (y-y)/(x-x) | slope formula |
| 0 slope | horizontal line |
| undefined slope | vertical line |
| y = mx+b | slope-intercept form |
| m | letter for slope |
| b | letter for y intercept |
| where the line crosses the y-axis | y-intercept |
| y-intercept | vertical intercept |
| a line that fits through points as best as possible | line of fit |
| an equation that represents a line | linear equation |
| a slope that rises (points up) | positive slope |
| a slope that falls (points down) | negative slope |
| y = kx | equation for direct variation |
| a graph of your data | scatterplot |
