Chapter 1
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Created by:
abraham_chad on September 1, 2010
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20 terms
Terms | Definitions |
|---|---|
 Bar Graph | A graph that uses bars to represent and compare data. |
| Data | Facts, numbers, or numerical information. |
| Frequency Table | A table that organizes data into intervals. |
| Histogram | A graph where data are organized into equal intervals |
| Numerical Expression | An expression with numbers and operations. |
| Evaluate | To find the value of an expression. (Solve) |
| Order of Operations | A set of rules for evaluating an expression involving more than one operation. |
| Vebal Model | A word equation that represents a real-world situation. |
| Variable | A symbol, usually a letter, that is used to represent numbers. (x) |
| Variable Expression | An expression that consists of numbers, variable, and operations. |
| Power | A product formed from repeated multiplication by the same number or expression. |
| Exponent | A number or expression that represents how many times the base is used as a factor. |
| Base | The number or expression that used as a factor in repeated multiplication. |
| Equation | A mathematical sentence with an equal sign between two expressions. |
| Solution | A number that when substituted for a variable makes the equation true. |
| Solving an equation | Finding all the solutions of an equation. |
| Formula | An equation that relates two or more quantities. |
| Perimeter | The sum of the lengths of a figure's sides. |
| Area | The amount of surface that a figure covers. |
| Unit Analysis | Evaluate expressions with units of measure and check that your answer uses the correct units. |
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