# Flashcards - TExES Physics/Math 7-12: Matrices & Determinants

Flashcards - TExES Physics/Math 7-12: Matrices & Determinants
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Reduced row echelon form
In linear algebra, a matrix is in echelon form if it has the shape resulting from a Gaussian elimination
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Gauss-Jordan elimination
In linear algebra, Gaussian elimination is an algorithm for solving systems of linear equations
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determinant
In linear algebra, the determinant is a useful value that can be computed from the elements of a square matrix
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matrices
In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns
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8 cards in set
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matrices
In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns
determinant
In linear algebra, the determinant is a useful value that can be computed from the elements of a square matrix
Gauss-Jordan elimination
In linear algebra, Gaussian elimination is an algorithm for solving systems of linear equations
Reduced row echelon form
In linear algebra, a matrix is in echelon form if it has the shape resulting from a Gaussian elimination
multiplicative inverse
In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or xâˆ’1, is a number which when multiplied by x yields the multiplicative identity, 1
square matrix
In mathematics, a square matrix is a matrix with the same number of rows and columns
system of linear equations in three variables
In mathematics, a system of linear equations is a collection of two or more linear equations involving the same set of variables
linear system
A linear system is a mathematical model of a system based on the use of a linear operator

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