SOLUTION: explain when to use a solid line as a boundary when graphing a linear equation

Question 371691: explain when to use a solid line as a boundary when graphing a linear equation
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Lines as boundaries are only used with regards to inequalities.
When the inequality has an equal sign, then the solid line shows that the line is also in the solution region.
When the inequality does not have an equal sign, a dotted or dashed line is used to signify that the line is not part of the solution region and only signifies a limit.

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