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Carnegie Chapter 9
| Term | Definition |
|---|---|
| inequality | Any mathematical sentence that has an inequality symbol. |
| graph of an inequality | The set of all points on a number line that make the inequality true. |
| solution set of an inequality | The set of all points that make an inequality true. |
| ray | Begins at a starting point and goes on forever in one direction. |
| one step equation | An equation that can be solved using only one operation. |
| solution | Any value for a variable that makes the equation true. |
| inverse operations | Pairs of operations that undo each other. Division and Multiplication. Addition and Subtraction. |
| Properties of Equality for Addition and Subtraction | The Properties of Equality allow you to balance and solve equations involving any number. Addition Property of Equality If a = b, then a + c = b + c. Subtraction Property of Equality If a = b, then a-c = b-c |
| Properties of Equality for Multiplication and Division | The Properties of Equality allow you to balance and solve equations involving any number. Multiplication Property of Equality If a = b, then ac = bc. Division Property of Equality If a = b, and c isn't 0, then a/c = b/c |
| homonyms | Words that have the same spelling and the same pronunciation, but have different meanings. |
| dependent quantity | When one quantity depends on another in a problem situation. |
| independent quantity | The quantity on which it depends on. |
| independent variable | The variable that represents the independent quantity. |
| dependent variable | The variable that represents the dependent quantity. |