a value in a set or matrix; also called an entry.
a set with no elements.
a set with a definite, or finite, number of elements.
a set with an unlimited, or infinite, number of elements.
a way of writing the set of all real numbers between two endpoints. The symbols [ and ] are used to include an endpoint in an interval, and the symbols ( and ) are used to exclude an endpoint from an interval.
like radical terms
radical terms having the same radicand and index.
the positive square root of a number, indicated by the radical sign.
the symbol used to denote a root
a number or expression under a radical sign
Rationalizing the denominator
Rationalizing the denominator is a method of rewriting a fraction by multiplying by another fraction that is equivalent to 1 in order to remove radical terms from the denominator.