Matrix Operations

Front

What must be true in order to ADD two matrices?

Back

Their dimensions must be equal.

Tags

CCSS.HSN.VM.C.8

Front

What is the definition of a matrix?

Back

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

Front

What is the result of adding a 2x3 matrix to another 2x3 matrix?

Back

The result is another 2x3 matrix.

Tags

CCSS.HSN.VM.C.8

Front

What is the definition of a scalar in matrix operations?

Back

A scalar is a single number that can multiply a matrix.

Tags

CCSS.HSN.VM.C.7

Front

How do you multiply a matrix by a scalar?

Back

Multiply each element of the matrix by the scalar.

Tags

CCSS.HSN.VM.C.7

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

What is the result of multiplying a 3x2 matrix by a 2x4 matrix?

Back

The result is a 3x4 matrix.

Tags

CCSS.HSN.VM.C.8

Front

What is the identity matrix?

Back

The identity matrix is a square matrix with ones on the diagonal and zeros elsewhere.

Tags

CCSS.HSN.VM.C.10

Front

What is the transpose of a matrix?

Back

The transpose of a matrix is obtained by swapping its rows and columns.

Front

What is the determinant of a matrix?

Back

The determinant is a scalar value that can be computed from the elements of a square matrix.