Real Number System
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14 terms
Terms | Definitions |
|---|---|
 Real Number | The set of all rational and irrational numbers |
| Natural Number | counting numbers or all positive whole numbers beginning with 1 |
| Whole Numbers | Natural numbers ( counting numbers) and zero; 0, 1, 2, 3... |
| Irrational Numbers | Numbers that cannot be expressed as terminating or repeating decimals |
| Rational Number | A number that can be written as a/b where a and b are integers, but b is not equal to 0. |
| Integer | The set of whole numbers and their opposites |
| Commutative Property | a + b = b + a and ab = ba; changing the order does not change the sum or product |
| Associative Property | Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication |
| Multiplicative Inverse Property | Any number multiplied by its inverse (reciprocal) will equal one |
| Multiplicative Identity Property | any number or variable multiplied to one is that number or variable |
| Additive Inverse Property | Any number added to its negative will equal zero...example -8 + 8 = 0 |
| Additive Identity Property | Any number or variable added to zero is that number or variable |
| Distributive Property | a(b + c) = ab + ac |
| Multiplicative Property of Zero | product of any number and zero is zero (a x 0=0) |
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