Matrices

Front

What is a Matrix?

Back

An arrangement of numbers in rows and columns.

Front

What are the dimensions of a matrix?

Back

The dimensions of a matrix are defined by the number of rows and columns it contains.

Front

How do you determine the dimensions of a matrix?

Back

Count the number of rows and columns; the dimensions are expressed as 'rows x columns'.

Front

What is the dimension of a 3 x 2 matrix?

Back

3 rows and 2 columns.

Front

How many rows are in a 7 x 3 matrix?

Back

7 rows.

Front

How many columns are in a 4 x 5 matrix?

Back

5 columns.

Front

What is matrix addition?

Back

Matrix addition involves adding corresponding elements of two matrices of the same dimensions.

Front

What is matrix subtraction?

Back

Matrix subtraction involves subtracting corresponding elements of two matrices of the same dimensions.

Front

What is a scalar multiplication of a matrix?

Back

Scalar multiplication involves multiplying each element of a matrix by a scalar (a single number).

Front

What is the result of adding a 2 x 2 matrix and a 2 x 2 matrix?

Back

The result is another 2 x 2 matrix.