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Algebra

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

Contributors in Algebra

Algebra

Directrix

Mathematics; Algebra

A line used in the definition of a conic section.

Discriminant

Mathematics; Algebra

The expression b2 - 4ac of the quadratic formula that determines several characteristics of the roots of a quadratic equation.

Dispersion

Mathematics; Algebra

A measure of how closely a set of data are clustered about the mean.

Distance formula

Mathematics; Algebra

For points P1(X1, Y1) and P2(Y1, Y2), P1P2 = Ö (X2-X1)^2 + (Y2-Y1)^2.

Diverge

Mathematics; Algebra

If there is no real number that is the value of an infinite series, the series diverges.

Domain of a relation

Mathematics; Algebra

The set of first components of the ordered pairs in the relation.

Eccentricity

Mathematics; Algebra

A ratio used in some definitions of conic sections.

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