Matrix Types Quiz

An nxn matrix is called a … of order n

• square matrix

• rectangular matrix

• rectangular matrix and square matrix

• zero matrix

• identity matrix

An nxm matrix is called a … of order nxm

• rectangular matrix

• square matrix

• rectangular matrix and square matrix

• zero matrix

• identity matrix

A matrix whose all entries are zero is called … matrix

• zero matrix

• rectangular matrix

• square matrix

• rectangular matrix and square matrix

• identity matrix

An n x m matrix whose main diagonal (from upper left to lower right) has all elements 1 while all the other elements are 0 is called an … matrix

• identity matrix

• square matrix

• rectangular matrix

• rectangular matrix and square matrix

• zero matrix

A square matrix is called a … if all entries that are not on the main diagonal are zero.

• diagonal matrix

• square matrix

• rectangular matrix

• rectangular matrix and square matrix

• zero matrix

In a square matrix , either upper left or lower right part of the main diagonal has all elements are zero is called a … matrix.

• triangular matrix

• square matrix

• rectangular matrix

• rectangular matrix and square matrix

• zero matrix

a … matrix  is a matrix with all its entries being zero.

• zero matrix

• triangular matrix

• square matrix

• rectangular matrix

• rectangular matrix and square matrix

The set of values of х for which the value of a function is defined is called … of this function.

• the domain

• function

• a single-valued function

• there are no correct answers.

• all answers are correct