1. Inequalities

2. What is an Inequality?! Inequality: statement that two quantities are not equal. Symbols of comparison: ≤ ≥ ≠

3. Graphing Inequalities 2 3 4 5 6 7 8 t > 4 y  11 9 10 11 12 13 14 15 Remember: - If you take the time to draw the line, you take the time to fill it in! - The inequality sign (when the variable is on the left) always points in the same direction as the arrow on the number line.

4. Let’s Practice…

5. Example Create and graph an inequality: In order to pass the Algebra 1 EOC, you must earn at least 399 points on the exam.

6. Let’s Practice… Define a variable and write an inequality to model each situation. 1. The school auditorium can seat at most 1200 people. 2. For a certain swim meet, a competitor must swim faster than 23 seconds to qualify.