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mod 8 vocab
| Question | Answer |
|---|---|
| constant of variation | the constant ratio in a direct variation |
| constant rate of change | the rate of change between any two points in a linear relationship is the same or constant |
| corresponding parts | parts of congruent or similar figures that are in the same relative position |
| direct variation | a relationship between two variable quantities with a constant ratio |
| initial value | the starting value in a real-world situation in which an equation can be written |
| linear equation | an equation with a graph that is a straight line |
| linear relationships | a relationship for which the graph is a straight line |
| rate of change | a rate that describes how one quantity changes in relation to another quantity |
| rise | the vertical change between any two points on a line |
| run | the horizontal change between any two points on a line |
| similar figures | figures that have the same shape but not necessarily the same size |
| slope | the rate of change between any two points on a line. The ratio of the rise, or vertical change, to the run, or horizontal change |
| slope-intercept form | an equation written in the form y=mx+b, where m is the slope and b is the y-intercept |
| slope triangles | right triangles that fall on the same line on the coordinate plane |
| solution | |
| y-intercept | the y-coordinate of the point where the line crosses the y-axis |