Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Sets 2
19 practice questions
Practice questions
1–4 of 4 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Express the set of all positive integers greater than 4 and less than or equal to 15 in set-builder notation.
Question 2
4 marks · Hard
Answer and see the solution →Let .
Write the following sets using set-builder notation:
(a)[1 mark]The set of all negative elements of .
(b)[1 mark]The set of all in such that .
(c)[1 mark]The set of elements of that are not odd numbers.
(d)[1 mark]The set of all elements in such that .
Question 3
4 marks · Hard
Answer and see the solution →Consider the set .
A student claims the set can also be written in the form .
Explain whether the student's claim is correct. Justify your answer, referring to set-builder notation.
Question 4
2 marks · Hard
Answer and see the solution →The universal set is .
Let , .
List the elements belonging to .