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Mod 5 Vocab
mod 5 vocab
| Question | Answer |
|---|---|
| counterexample | a stateent or example that shows a conjecture is false |
| cube root | one of 3 equal values in a number |
| inverse opperations | pairs of opperations that undo each other such as addition and subtraction |
| irrational numbers | a number that cannot be expressed as a ratio a/b where a and b are integers and b can not =0 |
| natural numbers | the set of numbers used for counting |
| perfect cube | a number whose cube root is an integer . 27 is a perfect cube because its cube root is 3 |
| perfect square | a number whose square root is a whole number. 25 is a perfect square because its square root is 5 |
| principal square root | the positive square root of a number |
| radical sign | the symbol used to indicate a positive square root |
| real number | the set of numbers of rational numbers together with the set of irrational numbers |
| square root | 1 of the 2 equal factors of a number. if a squared = b, then a is the square root of b |
| truncating | a process of approximating a decimal number by eleminating all decimal places past a certiant point without rounding. |
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