Matrix Operations

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

Add the following matrices: 11 8 -4 2 and 3 2 -6 -6

Back

14 10 -10 -4

Front

Subtract the following matrices: 3 -8 0 -1 and 3 -4 8 -13

Back

0 -4 -5 5

Front

What is a Scalar in relation to matrices?

Back

A single value, e.g., '80'.

Front

What is the result of adding the matrices: -6 2 and 10 8?

Back

4 10

Front

What is the result of subtracting the matrices: 0 1 and -8 1?

Back

8 0

Front

What is the determinant of a 2x2 matrix: |a b| |c d|?

Back

ad - bc.

Front

What is the identity matrix for 2x2 matrices?

Back

|1 0| |0 1|.

Front

What is the result of multiplying a matrix by a scalar?

Back

Each element of the matrix is multiplied by the scalar.

Front

What must be true in order to MULTIPLY two matrices?

Back

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