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How do you determine if the boundary line should be dashed or solid?

How do you determine which side of the boundary line to shade?

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luisd345

Answer:

Step-by-step explanation:

Shade the top side of the boundary line if you have the inequality symbols > or ≥. Shade the bottom side of the boundary line if you have the inequality symbols < or ≤.
Dashed boundary are when they are < or > and solid when they have the line under the > or