Sets
3 marks · EasyThe Venn diagram below shows the sets P and Q.
What is the name given to the area shared by sets P and Q?
Shade the area representing P' in the diagram above.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) Intersection
(b) Correct shading of the region outside P (complement) · must show Area outside circle P clearly shaded and no shading inside P
Must show: Shared area labelled as intersection; correct representation of complement
Also accept: Intersection area for (a); any correct shading of complement for (b)
Common mistakes: Confusing union and intersection; Shading P instead of complement
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Names the area as 'intersection' or equivalent
B2 (b) · 2 marks · Correctly shades the region outside set P for P' (no overlap with inside P)
Worked solution
(a) The shared area is called the 'intersection'.
(b) For P', shade everything outside circle P in the Venn diagram.