FF by Rahima Handamova

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Across
  1. 1. The row that contains the pivot elementis called the ....row
  2. 4. The rowto which a multipleof pivot row is addedis called the ..... row
  3. 7. A matrix 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 is 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 fo whih every term off the main diagonal is zero that is called a...
  4. 6. A 1xn 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