Adding and Subtracting Matrices

Front

What is a matrix?

Back

A matrix is a rectangular array of numbers arranged in rows and columns.

Front

How do you add two matrices?

Back

To add two matrices, they must have the same dimensions. Add corresponding elements.

Front

How do you subtract two matrices?

Back

To subtract two matrices, they must have the same dimensions. Subtract corresponding elements.

Front

What is the result of adding a 2x2 matrix and a 2x2 matrix?

Back

The result is another 2x2 matrix.

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

What is a zero matrix?

Back

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

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 row matrix?

Back

A row matrix is a matrix with only one row.

Front

What is a column matrix?

Back

A column matrix is a matrix with only one column.

Front

What is the number of elements in a 2x3 matrix?

Back

There are 6 elements in a 2x3 matrix.