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Majority - A quantity which is more than half of the entire amount. See minority, plurality.
Mapping - A one-to-one correspondence between elements of two sets. See transformation, function, ordered pair.
Mean - Average.
Measure of an angle -
The amount of
rotation between the two
rays forming the
sides of the angle.
In geometry it is often
necessary to distinguish between the angle measure and the angle
itself.
Measured angle (reference angle) - In a right triangle, the angle which is being used, given the length of one side, to find the length of another side of the triangle or, given the lengths of two sides, to find the measure of the reference angle.
Median (statistics) - The middle value in an ordered (sorted) set. If an even number of values is present, then the average of the two middle values.
Median of a trapezoid - The line segment connecting the midpoints of the legs of a trapezoid. The median is parallel to the bases and has a length equal to the average of the bases.
Median of a triangle - A line segment connecting a vertex of a triangle to the midpoint of the opposite side. There are three medians to a triangle, one for each vertex.
Members of an equation - The expressions located one to each side of the equal sign. The two expressions are equal to each other and can be substituted for each other.
Minority - A quantity which is less than half of the entire amount. See majority, plurality.
Mode - The most common value in a set. There is no mode if there is only one occurrence of each value present. If there is more than one value with the maximum number of occurrences, then there is more than one mode.
Monomial - A polynomial with one term. See the explanation on Factoring Polynomials.
Multiple - The product of a number times a whole number (integer). Successive multiples of a given number form a list (multiplication table) of the products of the given number times consecutive whole numbers.
Multiplicand - The number to be multiplied. See Multiplier, Product.
Multiplication - A shortcut for addition. The number of repeated values to be added together is one more than the number of additions.
Multiplier - The number to multiply by. See Multiplicand, Product.
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Last updated 6/2/97 - 3/20/2000.