This lesson includes 20 additional questions and 81 additional question variations for subscribers.

# Lesson Worksheet: Complex Number Conjugates Mathematics

In this worksheet, we will practice using the properties of conjugate numbers to evaluate an expression.

**Q4: **

How do you find the conjugate of a complex number?

- AChange the sign of both the real and imaginary parts.
- BSwap the real and imaginary parts.
- CChange the sign of its imaginary part.
- DSwap the real and imaginary parts, then change the sign of them both.
- EChange the sign of its real part.

**Q6: **

If ,what is ?

- A
- B
- C
- D
- E8

**Q7: **

Is the complex conjugate of the number ?

- ANo
- BYes

**Q8: **

Is the sum of a number and its complex conjugate always a real number?

- AYes
- BNo

**Q9: **

Is the product of a number and its complex conjugate always a real number?

- AYes
- BNo

**Q10: **

If is a real number, what will its conjugate be equal to?

- A
- B
- C
- D