Exam-style question
Try this first
State what the notation ℤ represents and give four different examples of members of this set.
Model answer
What a good answer should say
- ℤ represents the set of integers.
- Examples include -4, -1, 0, and 6.
Explanation
Why this works
The set ℤ contains negative whole numbers, zero, and positive whole numbers. Any four different examples from this set are acceptable.
Common mistake
No common mistake is linked to this question yet.