Algebra 1 Chapter 2
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Created by:
way2fast4u on December 18, 2008
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25 terms
Terms | Definitions |
|---|---|
 Whole Numbers | All numbers excluding negatives and decimals |
| Integers | All numbers excluding fractions and decimals |
| Rational Numbers | A number a/b where a and b are integers and b equals to 0 |
| Opposites | 2 numbers that are the same distance from the number line but are on opposite sides of 0 |
| Absolute Value | The absolute value of a number a is the distance between a and 0 on a number line. lal represents the absolute value of a. When it is negative it then becomes positive |
| Equivalent Expressions | 2 expressions that have the same value for all values of the variable |
| Distributive Property | Used to find the product of a number and a sum or difference |
| Terms | The parts of an expression that are added together |
| Coefficients | The number part of a term with a variable |
| Constant Term | Has a number but no variable part |
| Like Terms | Terms that have the same variable parts |
| Radicand | The number or expression inside a radical symbol |
| Perfect Square | The square of an integer |
| Irrational Numbers | A number that cannot be written as a quotient of 2 integers. The decimal form of the irrational number neither terminates or repeats |
| Real Numbers | Set of all rational and irrational numbers |
| Deductive Reasoning | When you make a conclusion based on statements that are assumed or shown to be true |
| Commutative Property | The order in which you add two numbers does not change the sum |
| Associative Property | The way you group three numbers in a sum does not change the sum |
| Identity Property | The sum of a number and 0 is the number |
| Inverse Property | The sum of a number and its opposite is 0 |
| Property of 0 | The product of a number and 0 is 0 |
| Property of -1 | The product of a number and -1 is the opposite of the number |
| Multiplicative Identity | 1 |
| Additive Identity | 0 |
| Multiplicative Inverse | The reciprocal of a nonzero number a, written 1/a |
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