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Mod 5
| Term | Definition |
|---|---|
| counter example | a statement or example that shows a conjecture is false |
| cube root | One of three equal factors of a number. If a³ = b, then a is the cube root of b. The cube root of 64 is 4 since 4³=64 |
| inverse operations | Pairs of operations that undo each other. Addition and Subtraction are inverse operations. Multiplication and division are inverse operations |
| irrational number | A number that cannot be expressed as the ratio a/b, where a and b are integers and b =/ 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 rational numbers together with the set of irrational numbers |
| square root | One of the two equal factors of a number. square root of 144 is 12 because 12x12=144 |
| truncating | estimating a decimal number by removing all decimal placers after a certain point. |
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user-1982144