# Lesson Worksheet: Operations with Matrices Mathematics

In this worksheet, we will practice adding and subtracting matrices and multiplying them by a constant, which is called scalar multiplication of a matrix.

**Q1: **

Given that what are and ?

- A,
- B,
- C,
- D,

**Q2: **

Consider the matrix Suppose the sum of matrices and is Find the matrix .

- A
- B
- C
- D
- E

**Q3: **

Find .

- A
- B
- C
- D
- E

**Q4: **

Given that what is the matrix ?

- A
- B
- C
- D

**Q5: **

Evaluate

- A
- B
- C
- D
- E

**Q6: **

Solve for matrix in the matrix equation , where and are

- A
- B
- C
- D
- E

**Q7: **

Suppose the sum exists. 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.

**Q8: **

Find .

- A
- B
- C
- D

**Q9: **

Given that both and have the order , determine the order of the matrix .

- A
- B
- C
- D

**Q10: **

If the matrix is added to a zero matrix of the same size, is the result equal to matrix ?

- AYes
- BNo