O-LevelMathematicsNumber4024/12 · May/June 2019 · Q103 Marks
Use set notation to describe the shaded region in the Venn diagram. [Figure Venn diagram]
- (a)Use set notation to describe the shaded region in the Venn diagram. [Figure Venn diagram][1]
- (b)ℰ = {x : x is a positive number} A = {x : 9 < x < 10} B = {x : x is an irrational number} Write down an element of A ∩ B.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [1] (a) (P∪R)∩Q'
- [2] (b) Any irrational number in range 9 < x < 10
- [B1] for any irrational number as answer or any number in range 9 < x < 10 as answer
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