# Worksheet: Adding and Subtracting Matrices

In this worksheet, we will practice adding and subtracting matrices using the properties of their addition and subtraction.

**Q3: **

Suppose the sum makes sense. We also know that has 2 rows and has 3 columns. What can we say about matrix ?

- A is a matrix.
- B is a matrix.
- C is a matrix.
- D is a matrix.
- E is a matrix.

**Q4: **

Given that is the zero matrix of order , find the value of .

- A
- B
- C
- D

**Q5: **

Given that , where is the zero matrix, find the value of .

- A
- B
- C
- D
- E

**Q7: **

Let be a matrix whose entries are all zero. If is any matrix, which of following is equivalent to ?

- A
- B
- C
- D
- E