Matrices And Determinants

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Every square matrix can be associated to an expression or a number which is known as its .
2. A square matrix is a singular matrix if its determinant is .
3. A square matrix whose determinant is non-zero is called matrix.
4. If any two rows (columns) of a determinant are interchanged, then the value of the determinant changes by sign.
5. If any two rows (columns) of a determinant are identical, then its value is .
6. If A is a skew-symmetric matrix of odd order, then A is .
7. The determinant of a matrix of even order is a perfect square.
8. If a system of linear equations has unique solution, the system is said to be .
9. If a system of linear equations has no solution, the system is said to be .
10. If each element of a row (column) of a determinant is zero, then its value is .