ADVANCED ALGEBRA GLOSSARY
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Title  Description  

Lambda  Lambda is the eleventh letter of the Greek alphabet and is used for wavelength in physics. 

Leading Coefficient  Most typically we write polynomials with the first term having the highest order, or power. The coefficient of this leading term is literally the Leading Coefficient. 

Leading Term  The first term in a polynomial, most typically the highestorder term, is the Leading Term of the polynomial. 

Least Upper Bound  As the name implies, a function often has a highest value or a limit beyond which it may not realize. 

Leg, Trapezoid  The Leg of a Trapezoid is one of the nonparallel sides. 

Leg, Triangle  Most generally the legs of a triangle refer to the perpendicular sides of a right triangle only. 

Lemma  A little, inconsequential theorem is sometimes called a Lemma. 

Limit  Some functions have a Limit, a bound beyond which they may not realize. 

Local Maximum  A Local Maximum is a high spot on the graph of a function. Also termed a relative maximum, it is the greatest value within a defined neighborhood. 

Local Minimum  A Local Minimum is a low spot on the graph of a function. Also termed a relative minimum, it is the least value within a defined neighborhood. 

Loci  The points that comprise a function (or graph thereof) are its Loci. 

Locus  A single point on a function or on its graph is a Locus. 

Logarithm  A Logarithm is a number associated with a power and a base; the function is the inverse of an exponential function. 

Logic  Logic takes many forms and is instrumental in understanding the language of mathematics. 

Lower Bound  As the name suggests, some functions are limited on the low side. 

Lower Quartile  Also first quartile, it is the 25th percentile, where 75 percent of the data is greater than this value. 

Lower Quintile  The 20th percentile; also first quintile. 
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