- Write in words. Is 4 included?
- Write in words. Is included?
- Write “ is greater than 3” as an inequality.
- Write “ is at most 7” as an inequality.
- Write the solution set in set-builder notation.
- On a number line, describe .
- List the integer values satisfying .
- 'Which includes its boundary: or ?'
- Write “at least 2 and less than 8” using inequality symbols.
Answers and concise solutions
1. Write in words. Is 4 included?
Answer: All values below ; is not included.
2. Write in words. Is included?
Answer: All values at least ; is included.
3. Write “ is greater than 3” as an inequality.
Answer: .
4. Write “ is at most 7” as an inequality.
Answer: .
5. Set-builder notation
Answer: '.'
6. On a number line, describe .
Answer: Open circle at ; shade to the right.
7. List the integer values satisfying .
Answer: .
8. 'Which includes its boundary: or ?'
Answer: includes .
9. Write “at least 2 and less than 8” using inequality symbols.
Answer: .