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Algebra

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

Contributors in Algebra

Algebra

Additive identity

Mathematics; Algebra

The number zero is called the additive identity because the sum of zero and any number is that number.

Cramer's rule

Mathematics; Algebra

A method for solving a linear system of equations using determinants.

Acceleration

Mathematics; Algebra

The rate of change of velocity over time. For motion along the number line, acceleration is a scalar. For motion on a plane or through space, acceleration is a vector.

Decreasing function

Mathematics; Algebra

A function with a graph that moves downward as it is followed from left to right.

Cube root

Mathematics; Algebra

A number that must be multiplied times itself three times to equal a given number.

Degree of a polynomial

Mathematics; Algebra

The highest degree of any term in the polynomial.

Abcissa

Mathematics; Algebra

The first coordinate in an ordered pair.   For the point (8, –2) the abscissa is 8.

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