FF by Rahima Handamova

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Across
  1. 1. The row that contains the pivot element is called the ..... row.
  2. 4. The row to which a multiple of pivot row is added is called the ...... row
  3. 7. Amatrix that is both upper and lower triangular is called
  4. 9. ordered rectangular array of numbers
  5. 10. The dimension of the row space of a matrix A iis called the ..... of A
  6. 12. The point that bisects the line segment formed by two points
  7. 15. The intersection of the two axes is known as the .....
  8. 16. This is a .....in two variables x and y.
Down
  1. 2. If is an mxn matrix,then the nxm matrix is called the .......of A.
  2. 3. linear ... is a branch of mathematics rich in theoryand applications
  3. 5. A square matrix for which every term off the main diagonal is zero that is called a .......
  4. 6. A1 x n or an nx1 matrix is also called an .....and will be denoted by lowercase boldface letters.
  5. 8. the number of elements of the 4x4 matrix A
  6. 11. The matrix that represents the system is called the ....... matrix
  7. 13. AB=BA=In the matrix B is called the.... of A
  8. 14. The x and y axes break the plane into four regions called