1. To solve and graph simple inequalities involving addition/subtraction.
Ch 6.1
Objective:
To solve and graph simple inequalities involving addition/subtraction.

2. Inequality Symbols
< symbol for “less than” ≤ symbol for “less than or equal” > symbol for “greater than” ≥ symbol for “greater than or equal” = symbol for “equal”

3. Graph of an Inequality
A line graph only uses the “x”-axis Closed (solid dot) represents “equal” on a graph Open (circle dot) represents “NOT equal” on a graph

4. Graph the following inequalities.1) 3) 2) 4)

5. Equations Inequalities Solve and graph. Solve and graph. One Solution
One Solution
Infinite Solutions

6. Solve and graph the inequalities.1) 2)

7. Solve and graph the inequalities.3) 4)