1.1 and 1.2 Pre-Algebra
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9 terms
Terms | Definitions |
|---|---|
 numerical expression | A mathematical expression that contains only numbers and operations. |
| variable | A letter or symbol used to take the place of a number. |
| variable expression | A mathematical expression that contains numbers, variables, and operations. |
| evaluate a variable expression | To substitute a number for each variable and find the value of the resulting numerical expression. |
| verbal model | A word problem. |
| power | When a number is expressed using an exponent and a base. |
| base | The number or expression that is used as a factor in a repeated multiplication; The larger, left-sided display in a power notation. |
| exponent | a mathematical notation indicating the number of times a quantity is multiplied by itself; The smaller, raised number in a power notation. |
| formula | An equation that states a rule for the relationship between certain quantities |
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