| A | B |
|---|
| Slope | The ratio of the rise, or vertical change to the run, or the horizontal change |
| Point-Slope Form | nonvertical line through the point at (X1,Y1) with slope m, equation is Y-Y1=m(x-X1) |
| x-intercept | A point at which a graph intersects the x-axis |
| y-intercept | A point at which a graph intersects the y-axis |
| Slope-Intercept Form | Given the slope m and y-intercept b of a line, formula: y=mx+b |
| Scatter Plot | A graph of paired data in which the data values are plotted as (x, y) points. |
| Family of Graphs | have at least one characteristic in common that makes them different from other groups of graphs |
| Parent graph | simplest of the graphs in a family |
| Parallel | two lines that have the same slope |
| Perpendicular lines | the product of the slopes of two lines is -1 |
| Best-fit line | line to show the relationship between two sets of data |
