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unit 3 Vocabulary
Ratios, Rates, and Proportions
| Term | Definition |
|---|---|
| Complex Fractions | A fraction that has a fraction in its numerator, denominator or both. |
| Constant of Proportionality | The constant ratio between two quantities in a proportional relationship. |
| Equivalent ratios | Ratios that name the same comparison |
| Indirect Measurement | The technique of using similar figures and proportions to find a measure. |
| Percent of Decrease | A percent change describing a decrease in a quantity. |
| Percent of Change | The amount stated as a percent that a number increases or decreases. |
| Percent of Increase | A percent of change describing an increase in a quantity. |
| Principal | The initial amount of money borrowed or saved. |
| Proportion | An equation that states that two ratios are equivalent. |
| Proportional Relationship | A relationship between two quantities in which the ratio of one quantity to the other quantity is constant. |
| Scale | The ratio between two sets of measurement. |
| Scale Drawing | A drawing that uses a scale to make an object smaller than or larger than the real object. |
| Simple Interest | A fixed percent of the principal. It is found using the formula I=Prt, where P represents the principal, r the rate, and t the time. |
| Unit Rate | A rate in which the second quantity in the comparison is one unit. |
Created by:
sbatdorf01
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