1. Algebraic Techniques

Complex Numbers — Quiz

Test your understanding of complex numbers with 5 practice questions.

Practice Questions

Question 1

What is the sum of the complex numbers $(2 + 3i)$ and $(4 + 5i)$?

Question 2

Which of the following is the product of the complex numbers $(1 + 2i)$ and $(3 + 4i)$?

Question 3

What is the modulus of the complex number $(3 + 4i)$?

Question 4

If $z = 1 + 2i$, what is the value of $z + \bar{z}$ where $\bar{z}$ is the complex conjugate of $z$?

Question 5

What is the result of subtracting the complex number $(5 - 2i)$ from $(3 + 4i)$?