2.8.1 • Understanding Inequality Symbols
Warm Up
For questions 1 – 3, match each inequality to the meaning of a symbol within it.
- less than or equal to 
- greater than 
- greater than or equal to 
greater than
- less than or equal to 
- greater than 
- greater than or equal to 
less than or equal to
- less than or equal to 
- greater than 
- greater than or equal to 
greater than or equal to
Is 25 a solution to any of the inequalities? Which one(s)?
Compare your answer:
Yes; 25 is a solution to because 30 is greater than or equal to 25.
Is 40 a solution to any of the inequalities? Which one(s)?
Compare your answer:
No; 40 is not a solution to any of the inequalities because 40 does not make any of the inequalities true when substituted in for .
Is 30 a solution to any of the inequalities? Which one(s)?
Compare your answer:
Yes; 30 is a solution to .