Given 𝑧=−3+2𝑖, find |𝑧| and plot 𝑧 in the complex plane.

Question

Given 𝑧=−3+2𝑖, find |𝑧| and plot 𝑧 in the complex plane.

Hello! I am confused about what exactly I need to do about this problem, please help me solve and graph :)

Answer 1

A complex number z = a + bi can be represented as a point with coordinates (a, b).

x coordinate is the real part, y coordinate is the imaginary part

|z| ( modulus of z) is the distance of the point from (0,0), ie √ (a² + b²)

You should have enough information now to finish this