| A | B |
| real numbers | every point on a numbr line paired w/a number |
| square root | quantity of which the given quantity is the square (e.g., 6 & -6 are the sq.roots of 36) |
| exponent | number or symbol placed above & after another number to denote the power to which that number must be raised |
| inverse (of a proportion) | the increase of one results in the equal decrease of another |
| identity | an equation that is valid for all values of its variables |
| distributive property | terms in an expression can be expanded in such a way to form an equivalent expression |
| associative property | in addition & multiplication, when an equivalent expression can be formed without changing order (e.g., a+(b+c) = (a+b)+c |
| rational number | number that can be expressed as the quotient of two integers (every integer is one) |
| irrational number | number that cannot be expressed as the quotient of two integers, but can be approximated by decimals |
| prime number | number that has only itself and 1 as its positive factors (e.g., 2, 5, 11 & 23) |