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Lesson 4 casto
| Term | Definition |
|---|---|
| constant of proportionality - | the unit rate in a proportional relationship |
| ordered pair | - a pair of numbers (x, J) that describes the location of a point in the coordinate plan |
| origin - | the point (0, O) in the coordinate plane where the x-axis and J-axis intersect |
| proportional relationship - | the relationship between two quantities where one quantity is a constant multiple of the other quantity |
| x-coordinate - | the first number in an ordered pair; it tells the point's horizontal distance from the y-axis |
| Y-coordinate - | the second number in an ordered pair; it tells the point's vertical distance from the x-axis |
| identify | - to know and say what something or someone is |