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Algebra 2 Unit 3
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Terms in this set (10)
Matrix
A(n) _________________ is a rectangular array of numbers
Element
A number in a matrix is called a(n) _________________
Transpose
A related matrix formed by making the rows of a matrix into columns and the columns into rows is called a(n) ____________
Columns
Before you can multiply two matrices together, the number of ________ in the first matrix must equal the number of rows in the second matrix
Dimension
Only matrices of the same ___________ can be added or subtracted
Augmented
A(n) _______ matrix is formed by adding a column of the constant terms to the coefficient matrix of a linear system
Inverses
Two square matrices are ___________ if their product is the identity matrix
Quotients
Cramer's Rule is a method of calculating the solution to a system of linear equations by finding the _______ of the determinants
Operation
An elementary row __________ is row switching, row multiplication, or row addition
Reciprocal
A determinant will have a(n) _________, and the matrix will have an inverse if the determinant is not zero
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