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vocab 5
| Term | Definition |
|---|---|
| counter examples | a statement or example that shows that a conjectuernt is false. |
| cube root | one of three equal factors of a number. if a cubed + b then a is the cube root of b. the cube root of 64 is 4. |
| inverse operations | pairs of opperrations that undo each other additions and subtraction are inverse opperations multiplayer cation and division are inverse opperations. |
| irrational number | a number that cant be turned into a ratio. |
| natural numbers | a set of numbers used for counting. |
| perfect cube | a number whose cube root is an Intager 27 is a perfect cube because its cube root is 3. |
| perfect squares | a numbers of whose square root is a whole number,25 is a perfect square because it square root is 5. |
| pricncapal of square root | the positive square root of a number. |
| radical sign | the SYMBAL used to indicate a positive square root |
| real number | the set of rational numbers together with a set of irrational numbers. |
| square root | one of two equal factoraa of a number. if a square + b then a is the square of b A square root of 144 is 12 since 12 sqard =144 |
| trunacting | a process of approximating a decimal by eliminating all decimal past a certan point without rounding. |
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