Little Extra Practice for Matrix Operations

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

What is the determinant of the matrix [[1, 2], [3, 4]]?

Back

-2

Front

What is the determinant of the matrix [[2, 3], [1, 4]]?

Back

5

Front

What would be the dimensions (output) of the product of matrices A (3x2) and B (2x3)?

Back

3 X 3

Front

Find the sum of the matrices [[1, 2], [3, 4]] and [[5, 6], [7, 8]].

Back

[[6, 8], [10, 12]]

Front

What is the condition for two matrices to be multiplied?

Back

The number of columns in the first matrix must equal the number of rows in the second matrix.

Front

What is the determinant of the matrix [[0, 1], [0, 0]]?

Back

0

Front

If matrix A is 2x3 and matrix B is 3x2, what is the dimension of AB?

Back

2 X 2

Front

What is the result of adding the matrices [[1, 1], [1, 1]] and [[2, 2], [2, 2]]?

Back

[[3, 3], [3, 3]]

Front

What is the determinant of the matrix [[3, 2], [1, 4]]?

Back

10