**Q4: **

Find the matrix such that

- A
- B
- C
- D
- E

**Q5: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q6: **

Write in the form where is a matrix.

- A
- B
- C
- D
- E

**Q7: **

Which of the following shows the set of simultaneous equations that could be solved using the matrix equation

- A
- B
- C
- D
- E

**Q8: **

Which of the following shows the set of simultaneous equations that could be solved using the given matrix equation?

- A
- B
- C
- D
- E

**Q9: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q10: **

Write in the form where is a matrix.

- A
- B
- C
- D
- E

**Q11: **

Write down the set of simultaneous equations that could be solved using the given matrix equation.

- A
- B
- C
- D
- E

**Q12: **

Express the following system of equations in matrix form.

- A
- B
- C
- D