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MOD 5 VOCAB
mod 5 vocab lesson 5-1 ROOTS
| Term | Definition |
|---|---|
| counterexample | a statement or example that shows a conjuncture is false. |
| cube root | one of three equal factors of a number |
| inverse operations | pairs of operations that undo each other |
| irrational number | a number that cannot be expressed as the ratio a/b, where a and b are integers and b doesn't equal 0 |
| natural numbers | the set of numbers used for counting. |
| perfect cube | a number whose cube root is an integer. |
| perfect square | a number whose square root is a whole number. |
| 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 rational numbers together with the set of irrational numbers |
| square root | one of two equal factors of a number |
| truncating | a process of approximating a decimal number by eliminating all decimal places past a certain point without rounding. |