(Dec. 11, 2024) 1st Block Adding, Subtract, Multiply Matrices

Front

What are the dimensions of a matrix with 2 rows and 3 columns?

Back

2 x 3

Front

What are the dimensions of a matrix with 3 rows and 2 columns?

Back

3 x 2

Front

Can you add a 2x3 matrix to a 2x2 matrix?

Back

No, matrices must have the same dimensions to be added.

Front

Can you add a 2x3 matrix to a 3x12 matrix?

Back

No, matrices must have the same dimensions to be added.

Front

Can you add a 2x3 matrix to another 2x3 matrix?

Back

Yes, both matrices have the same dimensions.

Front

What is the result of adding a 2x3 matrix and a 2x3 matrix?

Back

The result is another 2x3 matrix.

Front

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

Back

The result is a 2x2 matrix.

Front

How many rows are in a 7 x 3 matrix?

Back

7 rows

Front

How many columns are in a 2 x 3 matrix?

Back

3 columns

Front

What is the result of 2B - A if A = [[1, 2, 3], [4, 5, 6]] and B = [[7, 8, 9], [10, 11, 12]]?

Back

[[10, 5, 6], [-5, 2, 0]]