**Q3: **

Use matrices to solve the system of equations

- A
- B
- C
- D
- E

**Q4: **

Use matrices to solve the system

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

**Q5: **

Use matrices to solve the system of equations

- A
- B
- C
- D
- E

**Q6: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q7: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q8: **

Use matrices to solve the system of equations

- A
- B
- C
- D
- E

**Q9: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q10: **

Consider the simultaneous equations

Express the given simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

Write down the inverse of the coefficient matrix.

- A
- B
- C
- D
- E

Multiply through by the inverse, on the left-hand side, to solve the matrix equation.

- A
- B
- C
- D
- E

**Q11: **

Use matrices to solve the following system of equations:

- A
- B
- C
- D
- E