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Algebra
Alegra is the study of operations and their application to solving equations.
Industry: Mathematics
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Algebra
Additive inverse of a matrix
Mathematics; Algebra
For each matrix A, there is a matrix -A(the additive inverse of A), such that A + (-A) = Z.
Y-intercept of a graph
Mathematics; Algebra
The y-coordinate of the point at which a line crosses the Y-axis.
Zero matrix
Mathematics; Algebra
An m x n matrix whose elements are all zero. It is denoted Z m x n or just Z.
Absolute value of a complex number
Mathematics; Algebra
The absolute value of a complex number a + ''bi'' is the square root of a square plus b square.