# Worksheet: Introduction to the System of Linear Equations

In this worksheet, we will practice expressing a system of linear equations as a matrix equation.

**Q4: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q5: **

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

- 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: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q9: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q10: **

Express the following system of equations in matrix form.

- A
- B
- C
- D

**Q11: **

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

- A
- B
- C
- D
- E

**Q13: **

Express the simultaneous equations as a matrix equation.

- A
- B
- C
- D
- E

**Q16: **

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

- A
- B
- C
- D
- E

**Q17: **

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

- A
- B
- C
- D
- E

**Q19: **

Write in the form where is a matrix.

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- B
- C
- D
- E

**Q20: **

Write in the form where is a matrix.

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- C
- D
- E

**Q21: **

True or False: In the matrix equation , must be a square matrix.

- AFalse
- BTrue

**Q22: **

True or False: The number of columns of a coefficient matrix in a matrix equation represents the number of variables.

- ATrue
- BFalse