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Question 614974: explain when to use a solid line as a boundry when graphing a linear inequality
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! the solid line indicates the inequality is greater than or equal, or less than or equal.
the dashed line indicates the inequality is greater than but not equal, or less than but not equal.
if your equation says y>= or y<=, then a solid line is appropriate.
if your equation says y> or y<, then a dashed line is appropriate.
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