| Date | November 2009 | Marks available | 6 | Reference code | 09N.1.sl.TZ0.2 |
| Level | SL only | Paper | 1 | Time zone | TZ0 |
| Command term | Place | Question number | 2 | Adapted from | N/A |
Question
The Venn diagram shows the number sets \(\mathbb{N}\), \(\mathbb{Z}\), \(\mathbb{Q}\) and \(\mathbb{R}\). Place each of the following numbers in the appropriate region of the Venn diagram.
\(\frac{{1}}{{4}}\), −3, π, cos 120°, 2.7 × 103, 3.4 × 10–2
Markscheme
(A1)(A1)(A1)(A1)(A1)(A1) (C6)
Note: Award (A1) for each number placed once in the correct section. Accept equivalent forms for numbers.
[6 marks]
Examiners report
About half of the students answered this question correctly. The placement of cos120 and π appeared to cause the most problems.
