Across
- 6. An algorithm that reduces a matrix to reduced row echelon form to solve a system completely.
- 7. The determinant of the submatrix that remains after removing one row and one column.
- 8. A matrix that, when multiplied with the original matrix, yields the identity matrix.
- 10. A free variable used to express infinite solutions in a linear system.
- 11. A vertical group of elements in a matrix.
- 12. A matrix formed by combining the coefficient matrix and the constants from a system of equations.
- 14. A scalar value that can be computed from a square matrix and indicates whether the matrix is invertible.
Down
- 1. A rectangular array of numbers arranged in rows and columns.
- 2. The signed minor of a matrix element, used in determinant expansion.
- 3. A method of solving linear systems by converting the matrix to upper triangular form.
- 4. A numerical factor multiplied by a variable in an equation.
- 5. A method for solving systems of equations by removing variables.
- 9. An ordered list of numbers representing magnitude and direction.
- 11. A rule that uses determinants to solve systems of linear equations with a unique solution.
- 13. A leading non-zero element in a matrix row used during row operations.
