| A | B |
|---|
| constant of proportionality | a constant ratio of two variables related proportionally |
| proportional relationship | a relationship between two quantities in which the rate of change is constant |
| fraction | a comparison of two quantities by division |
| proportion | an equation that states two ratios are equivalent |
| rate | a ratio that compares two quantities measured in different units |
| rate of change | a rate that describes how one quantity changes in relation to another quantity |
| equivalent | ratios that name the same comparison |
| constant | a value that does not change |
| ordered pair | a pair of numbers that can be used to locate a point in the form (x,y) |
| ratio | a comparison of two quantities by division |
| scale drawing | used to represent objects too large or too small to be built or drawn to actual size |
| unit rate | a rate in which the second quantity in the comparison is one unit |
