Matrices Add Subtract Multiply Scalar Dimensions

Front

What is a matrix?

Back

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

Front

What does the notation m x n represent in matrices?

Back

The notation m x n represents a matrix with m rows and n columns.

Front

What is scalar multiplication in matrices?

Back

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

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 multiplying a matrix by a scalar?

Back

The result is a new matrix where each element is multiplied by that scalar.

Front

What is the dimension of a matrix?

Back

The dimension of a matrix is defined by the number of rows and columns it has, expressed as m x n.

Front

What is an element of a matrix?

Back

An element is an individual item or entry in a matrix, located at a specific row and column.

Front

How do you find the number of rows in a matrix?

Back

The number of rows in a matrix is indicated by the first number in its dimension notation (m in m x n).

Front

How do you find the number of columns in a matrix?

Back

The number of columns in a matrix is indicated by the second number in its dimension notation (n in m x n).