Introduction to Matrices

Front

What are the dimensions of a matrix?

Back

The dimensions of a matrix are given in the form of rows x columns.

Front

What is the element a₂₃ in a matrix?

Back

The element a₂₃ refers to the element located in the 2nd row and 3rd column of the matrix.

Front

How many columns are in a 5 x 4 matrix?

Back

A 5 x 4 matrix has 4 columns.

Front

What is the order of a matrix?

Back

The order of a matrix is defined by its dimensions, expressed as rows x columns.

Front

What is the element a₄₃ in a matrix?

Back

The element a₄₃ refers to the element located in the 4th row and 3rd column of the matrix.

Front

If a matrix has dimensions 6x2, how many elements does it have?

Back

A 6x2 matrix has 12 elements (6 rows x 2 columns).

Front

What is a row in a matrix?

Back

A row in a matrix is a horizontal line of elements.

Front

What is a column in a matrix?

Back

A column in a matrix is a vertical line of elements.

Front

What is a square matrix?

Back

A square matrix is a matrix with the same number of rows and columns.

Front

What is a zero matrix?

Back

A zero matrix is a matrix in which all elements are zero.