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Date	May 2017	Marks available	4	Reference code	17M.1.hl.TZ2.5
Level	HL only	Paper	1	Time zone	TZ2
Command term	Determine	Question number	5	Adapted from	N/A

Question

In the following Argand diagram the point A represents the complex number $- 1 + 4{\text{i}}$ and the point B represents the complex number $- 3 + 0{\text{i}}$ . The shape of ABCD is a square. Determine the complex numbers represented by the points C and D.

M17/5/MATHL/HP1/ENG/TZ2/05

Markscheme

C represents the complex number $1 - 2{\text{i}}$ A2

D represents the complex number $3 + 2{\text{i}}$ A2

[4 marks]

Examiners report

[N/A]

Syllabus sections

Topic 1 - Core: Algebra » 1.6

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