Matrices Elements and Dimensions and Types

The order of the above matrix is

Which of the following are types of matrices?

• Row Matrix

• Column Matrix

• Circle Matrix

• Square Matrix

Is a matrix consisting of only one row

• Column Matrix

• Diagonal Matrix

• Row Matrix

• Null Matrix

Is a matrix with one principle diagonal element is non-zero and all other elements are zero

• Row Matrix

• Identity Matrix

• Square Matrix

• Diagonal Matrix

What is the order of this matrix

The table below shows the three types of membership of a local gym and the number of males and females enrolled in each. Construct a matrix to display the numerical information in the table.

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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 1, is called:

• Diagonal matrix

• Scalar matrix

• Null matrix

• Unit matrix