BASIC ALGEBRA GLOSSARY
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Title  Description  

Magnitude (Powers of Ten)  When we multiply a real number times ten, we increase its magnitude by one. When we divide a real number by ten, we decrease its magnitude by one. Very much like place value, "orders of magnitude" refer to powers of ten, where greater place values indicate a greater magnitude. Conversely, lesser place values indicate a decrease in magnitude. 

Matrix  A rectangular array of numbers is often called a Matrix. 

Matrix Addition  Matrix Addition applies to matrices of like order, the same size. 

Maxima  The plural of maximum. Maxima are "high spots" on the graph of a function. 

Maximize  A process to establish the greatest extent, value, or size possible. 

Maximum  A highest value. A local Maximum is the highest value of a function within some defined neighborhood. 

Measure  A noun or verb, Measure implies comparison to an established standard. 

Measurement  The result from comparison to an established standard, Measurement may be exact only to an agreedto precision. 

Median, Data  The Median of a set of data is the value in the middle of an ordered or sorted list, with just as many values higher than the Median as lower than the Median. 

Midpoint  Every line segment (or side of a polygon) contains a point equidistant from the endpoints (or vertices), the Midpoint. 

Midpoint Formula  A simple recipe for finding the Midpoint of a line segment in Cartesian or rectangular coordinates. Add the xcoordinates of the endpoints of the line segment and divide by two for the xcoordinate of the midpoint. The yvalue follows similarly. 

Minima  The plural of minimum. Minima are low points on the graph of a function. 

Minimize  A process to establish the least extent, value, or size possible. 

Minimum  A low point or least value in the neighborhood of the graph of a function is a Minimum, the singular of minima. 

Minute, Time  Onesixtieth of an hour comprises one Minute of time. 

Mixed Number  We may write an "improper" fraction as a whole number followed immediately with a "proper" fraction. Such a form is termed a Mixed Fraction. 

Mode  While Mode can take on several meanings in mathematics, it generally is used for the value of data with the greatest frequency of occurrence in a list of values. 

Monomial  A single term. 

Mu  The twelfth letter of the Greek alphabet, Mu is used for both the mean and median in a normal distribution. 

Multiplication  You know, times. The operation to simplify addition of identical values. You should learn your Times Tables, the basic facts of Multiplication. 

Multiplicative Inverse  Another name for Multiplicative Inverse is reciprocal. Reciprocals multiply to one. 
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