Pre-Algebra exam VOCAB
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Created by:
pJuneau on December 13, 2010
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38 terms
Terms | Definitions |
|---|---|
 Absolute Value | the distance of a number from 0 on a number line |
| Addition Property of Equality | if a=b then a+c=b+c |
| Additive Identity | when you add a number and 0 and the sum is the original number |
| Associative Property of Addition | (a+b)+c = a+(b+c) |
| Associative Property of Multiplication | (ab)c = a(bc) |
| Base | is the repeated factor of a number written in exponential form |
| Coefficient | a number that multiplies a variable |
| Commutative Property of Addition | a+b = b+a |
| Commutative Property of Multiplication | ab = ba |
| Composite number | an integer greater than 1 with more than two factors |
| Constant | a term that has no variable |
| Distance Formula | d=rt |
| Equation | a math sentence with an = symbol |
| Equivalent Fractions | a fraction that describes the same part of a whole |
| Exponent | a number that shows how many times a base is used |
| Factor | a number that is multiplied by another number to find a product |
| GCF | the greatest factor that 2 numbers share |
| Identity Property of Addition | sum of a number and zero is that original number |
| Identity Property of multiplication | product of a number and zero is that original numer |
| Inequality | uses the symbols <, >, or = |
| Integer | whole numbers and their opposites |
| LCM | the least number that is a common multiple |
| Like terms | terms with the same variables raised to the same power |
| Mean | sum of a set of data divided by the # of data items |
| Median | the middle number of a set of data |
| Mode | the number that occurs most often |
| Multiplicative Identity | product of a number and 1 is that number |
| Order of Operations | PEMDAS |
| Ordered Pair | the X and Y coordinates |
| Origin | intersection of the X and Y axises |
| Outlier | much higher or lower than the other numbers |
| Prime Numbers | only factors are 1 and itself |
| Reciprocal | two numbers with a product of 1 |
| Term | a number, variable, or symbol |
| Variable | a letter that stands for a number |
| Variable Expression | math phrase that uses variables, numbers, and symbols |
| X-axis | Horizontal line on a scale |
| Y-axis | vertical line on a scale |
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