**TI83F* AppVariable file 03/21/07, 14:29 ýGLA111ýûnav 868E89BEB1644A6EA4327E33887122BEGLA111. GLA1111  complex fraction\complex fraction:ÖA fraction that has one or more fractions in the numerator or denominator. excluded values~excluded values:ÖAny values of a variable that result in a denominator of 0 must be excluded from the domain of that variable. extraneous solutionsNextraneous solutions:ÖResults that are not solutions to the original equation. inverse variation?inverse variation:ÖAn equation of the form xy = k, where k  0. least common denominator (LCD)©least common denominator (LCD):ÖThe least common multiple of the denominators of two or more fractions.ÖExample: 12 is the least common denominator of 1/3, 3/4, and 5/6. least common multiple (LCM)¡least common multiple (LCM):ÖThe least nonzero number that is a common multiple of two or more numbers.ÖExample: 36 is the least common multiple of 3, 9, and 12.  populationVpopulation:ÖA large group of data from which a sample of statistical data is selected. rational equationBrational equation:ÖAn equation that contains rational expressions.  rational expression[rational expression:ÖAn algebraic fraction whose numerator and denominator are polynomials.›³