Matrices

[a b] has:

• one row and one column

• one row and two columns

• two rows and two columns

• two rows and one column

[4] is a :

• Square matrix

• Equal matrix

• Rectangular matrix

• Singular matrix

If the number of rows of matrix A is equal to the number of columns then A is called

• Square matrix

• Equal matrix

• Rectangular matrix

• Null matrix

If |A| = 0, then the given matrix is called:

• Square matrix

• Equal matrix

• Rectangular matrix

• Singular matrix

[4 8] is a :

• Square matrix

• Equal matrix

• Rectangular matrix

• Singular matrix

If [4 8] = [2+2 12-4], the it is a/an:

• Square matrix

• Equal matrix

• Rectangular matrix

• Singular matrix

If a matrix has equal number of rows and column, then it is called:

• Square matrix

• Equal matrix

• Rectangular matrix

• Null matrix

If all the elements of a matrix are zeros, it is:

• Square matrix

• Equal matrix

• Rectangular matrix

• Null matrix

A square matrix with all its elements zero, except elements in the leading diagonal is called a:

• Square matrix

• Diagonal matrix

• Rectangular matrix

• Non-diagonal matrix

A diagonal matrix, all of whose diagonal elements are equal, is called:

• Diagonal matrix

• Scalar matrix

• Null matrix

• Unit matrix