Operations

Question 0

Subtraction

Answer 0

• adding a negative

Question 1

Addition

Answer 1

• must be the same size matrix

- add entries that are in the same position

Question 2

Scalar Multiplication

Answer 2

• multiply each entry by the scalar r

Question 3

Transpose

Answer 3

• switch rows with columns

Question 4

Matrix Multiplication

Answer 4

• must be a (n x m) • (m x p) to form a (n x p)

- turn first column on side, multiply, add