Matrix Addition & Subtraction

CONCEPTS

Matrix Properties

• A matrix is a rectangular array of element in columns & rows. Rows are named before columns, therefore a 2x4 matrix has 2 rows & 4 columns

• The size of the matrix is Height x Width

EXAMPLE

4 high and 1 wide

Matrix Operators

PRACTICE PROBLEMS

Question 1 Multiply the matrix by the scalar 4 (see below).

-- Answer --

Question 2 What's the result of adding the matrices

-- Answer --

ACT PRACTICE PROBLEMS

1/1

1/1

1/1

1/1

1/1