Question 1
What is the imaginary part of the complex number $z = 5 - 7i$?
Question 2
If $z = 2 + 3i$, what is $z \cdot \bar{z}$?
Question 3
Which of the following is the correct representation of the complex number $z = -\sqrt{3} + i$ in polar form?
Question 4
What is the result of multiplying the complex numbers $(2 + i)$ and $(1 - 3i)$?
Question 5
Which of the following equations represents the locus of points $|z - (1 + i)| = 2$ on an Argand diagram?