Exam-style question
Try this first
Which statement about the relationship between the integers and ℚ is correct?.
- A.The integers are included in ℚ
- B.ℚ contains no integers
- C.The integers and ℚ are unrelated sets
- D.Only non-integer values can be in ℚ
Model answer
What a good answer should say
- The integers are included in ℚ
Explanation
Why this works
The set ℚ includes the integers because every integer can be written as a fraction with denominator 1.
Common mistake
No common mistake is linked to this question yet.