Master $\overline{z} = a - bi$ for division & magnitude
Build fluency with complex conjugates, magnitude calculations, and rationalizing complex denominators.
Randomized questions across all levels and properties of conjugates.
Practice finding $\overline{z} = a - bi$ for $z = a + bi$.
Calculate the modulus $|z| = \sqrt{a^2 + b^2}$.
Evaluate real products $z \cdot \overline{z} = a^2 + b^2$.
Determine new real denominators when rationalizing complex division.