Lesson 2-8 "Inequalities and Their Graphs"
Part 1 "Graphing Inequalities"
1. <, >, ≤, ≥, ≠
Know the names !
2. Know that x < 3 equals 3 > x !
3. <, >, and ≠ get an open dot (○), EX:
4. ≤ and ≥ get a closed dot (●), EX:
Part 2 "Writing Inequalities"
5. "at most" means X ≤ #
6. "at least" means X ≥ #
This page was last modified
09/14/07