Unit 2 - Matrices and Determinants Quiz - PMIST

If A is a square matrix and I is the unit matrix of the same order, then AI = IA =

• I

• minus I

• A

• 3

Which of the following is correct?

• Determinant is a square matrix.

• Determinant is a number associated with a matrix.

• Determinant is a number associated with a square matrix.

• None of these

Which of the following conditions holds true for a system of equations to be consistent?

• It should have one or more solutions  

• It should have no solutions  

• It should have exactly one solution

• It should have exactly two solutions

In a matrix with 9 elements, then the possible ordered pairs

• TRUE

• FALSE

Which of the following is not a possible ordered pair for a matrix with 6 elements.

• (2,3)

• (3,2)

• (1,6)

• (3,1)

The matrix which follows the conditions m=n is called

• Square matrix

• Rectangular matrix

• Scalar matrix

• Diagonal matrix

The matrix which follows the condition m>n is called as ____________

• vertical matrix

• horizontal matrix

• diagonal matrix

• square matrix

Which of the following is not a type of matrix?

• Scalar matrix

• Diagonal matrix

• Symmetric matrix

• Minor matrix

The addition of matrices is only possible if they are of the same order.

• TRUE

• FALSE

Which of the following is not the property of transpose of a matrix?

• (A’)’=A

• (A+B)’=A’+B’

• (AB)’=(BA)’

• (kA)’=KA’