conjugate	One binomial in a conjugate pair. Given the binomial a + b, the conjugate is a – b; given a – b, the conjugate is a + b.
conjugate pair	A pair of binomials that, when multiplied, follow the pattern: The product of a pair of binomials that are conjugates is the difference of two squares.
rationalizing a denominator	The process by which a fraction containing radicals in the denominator is rewritten to have only rational numbers in the denominator.