- Graph inequalities on the coordinate plane.
- Solve real- world problems involving linear inequalities.
The solution set of an inequality in two variables is the set of all ordered pairs that satisfy the inequality. Like a linear equation in two variables, the solution set is graphed on a coordinate plane.
Example 1: Ordered pairs that Satisfy an Inequality
Example 2: Graph an Inequality and Example 3: Write and Solve an Inequality
6.6 Graphing Inequalities In Two Variables
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NOTE:
Dashed Line
- Like a circle on a number line, a dashed line on coordinate plane indicates that the boundary is not part of the solution set.
Solid Line:
- Like a dot on a number line, a solid line on a coordintat plane indicates that the boundary is included.
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