Multiplying Matrices

Front

What are the dimensions of the product of a (4x33) matrix and a (33x1) matrix?

Back

4x1

Tags

CCSS.HSN.VM.C.11

Front

How many columns are in a 5 x 4 matrix?

Back

4

Front

What is the result of multiplying a (3x2) matrix by a (2x3) matrix?

Back

A (3x3) matrix

Tags

CCSS.HSN.VM.C.8

Front

Can you multiply a (4x3) matrix by a (3x4) matrix?

Back

Yes, the result will be a (4x4) matrix.

Tags

CCSS.HSN.VM.C.8

Front

What is the result of multiplying a (2x3) matrix by a (3x2) matrix?

Back

A (2x2) matrix

Tags

CCSS.HSN.VM.C.8

Front

If matrix A is (2x3) and matrix B is (3x4), what are the dimensions of AB?

Back

(2x4) matrix

Tags

CCSS.HSN.VM.C.8

Front

If matrix A is (3x2) and matrix B is (2x5), what are the dimensions of BA?

Back

(5x3) matrix

Tags

CCSS.HSN.VM.C.8

Front

What happens if you try to multiply a (2x3) matrix by a (2x4) matrix?

Back

Can't multiply them, as the number of columns in the first matrix does not match the number of rows in the second.

Tags

CCSS.HSN.VM.C.8

Front

What is the dimension of the product of a (5x2) matrix and a (2x3) matrix?

Back

(5x3) matrix

Tags

CCSS.HSN.VM.C.8

Front

If matrix A is (4x2) and matrix B is (2x4), what is the dimension of the product AB?

Back

(4x4) matrix

Tags

CCSS.HSN.VM.C.8