Translate complex relations into loci and combined regions
Classify this modulus equality: kind −1=empty,0=point,1=circle. Give the centre/point coordinates and radius; use all-zero placeholders for an empty set
\[|z-(2+2i)|=-1\]
Classify this modulus equality: kind −1=empty,0=point,1=circle. Give the centre/point coordinates and radius; use all-zero placeholders for an empty set