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Algebra

Alegra is the study of operations and their application to solving equations.

Contributors in Algebra

Algebra

Permutation

Mathematics; Algebra

An arrangement of a number of objects in a definite order.

Vertices of a hyperbola

Mathematics; Algebra

The two points in which a hyperbola is intersected by the line through the two focus points.

Unit circle

Mathematics; Algebra

A circle with centre at the origin and with a radius of one unit.

Variable

Mathematics; Algebra

A symbol, usually a letter, that represents, and may be replaced by, any number from a particular set of numbers.

Vertex of a parabola

Mathematics; Algebra

The point on a parabola midway between the focus and the directrix.

Standard scores (or --scores)

Mathematics; Algebra

An expression for each value in a frequency distribution in terms of the number of standard deviations it is above or below the mean.

Subset

Mathematics; Algebra

A set all of whose elements are elements in a larger set.

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