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1 markPaper 1 · Multiple choiceComplex Numbers

CAPE Pure Mathematics Unit 2 · May/June 2018 · Paper 1 · Question Q6

The locus of the points described by a complex number z is given by |z - 1 - 2i| = 3. The locus describes a circle with

  1. (A)centre (-1, -2i) and radius 3 units
  2. (B)centre (-1, -2i) and radius 9 units
  3. (C)centre (1, +2i) and radius 3 units
  4. (D)centre (1, +2i) and radius 9 units

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