| A | B |
|---|
| rate of change | a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable |
| slope | a measure of the steepness of a line on a graph: the rise divided by the run |
| unit rate | a rate in which the second quantity in the comparison is one unit |
| direct variation | a linear relationship between two variables, x and y, that can be written in the form y=kx |
| constant of variation | the constant k in direct and inverse variation equations |
| ordered pair | pair of numbers that can be used to locate a point on a coordinate plane |
| proportional relationship | a relationship between two quantities in which of the ratio of one quantity to the other quantity is constant |
| linear equation | an equation whose solution form a straight line on a coordinate plane |
