singular Matrix

1. which of the following is correct

• determinants is a square matrix

  
  

• determinants is a number associated to a matrix

• determinants is a number associated to a square matrix

• none of these

If |A| = 0, then A is

• zero matrix

• singular matrix

• non-singular matrix

• Identity matrix

• 4

• 8

• 3

• 6

Which is not a type of Matrix?

• Triangular

• Scalar

• Square

• None

Matrix multiplication is not commutative

• True

• False

Find the determinant of the matrix

• A
• B
• C
• D

Find the inverse of the matrix

• A
• B
• C
• D

Solve for the determinant of the following matrix:  
⌈12  −3⌉
⌊−6  15⌋
*detA= ad-bc

• 198
• 162
• -333
• -9

• 5   -2
  -3    1
• -5   2
  3   -1
• -5   3
  2   -1
• 1   -3
  -2    5

• 17   12
  25   18
• 8   9
  12   6
• 6   6
  7   5
• 12   10
  10   12