Linear Inequalities
Boundary lines · Test points · Feasible regions
Write a statement as a linear inequality
Graph it in five steps
Find the feasible region of a system
Read inequalities back from a graph
At most 2 hours: \( x \le 2 \)
At least 16 years: \( x \ge 16 \)
Pens and copies within Rs. 750: \( 15x + 25y \le 750 \)
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