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What's a Boundary?
Definition: Boundary
Summary
- The line that makes up a boundary represents an inequality symbol and should be a dashed line if the symbol is '<' or '>'
- We're going to graph the inequality 'y>2x-2'
- Half-planes are the areas on the coordinate plane that fall on either side of the dashed line, or boundary

Notes
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- In other words, the boundary is the graphed line representing the inequality symbol in a graphed inequality
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- In other words, the boundary is the graphed line representing the inequality symbol in a graphed inequality
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- 'y>2x-2' is an inequality, so let's graph it to see what a boundary looks like
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- 'y>2x-2' is an inequality, so let's graph it to see what a boundary looks like
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- The '>' symbol means GREATER THAN
- The line of a graphed inequality containing a '<' or '> symbol is unique in that it should be a dashed, or dotted line
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- The line that makes up a boundary represents an inequality symbol and should be a dashed line if the symbol is '<' or '>'
-
- The line that makes up a boundary represents an inequality symbol and should be a dashed line if the symbol is '<' or '>'
- The line for the graphed inequality 'y>2x-2' will look just like the graphed line 'y=2x-2', but the line will be dashed instead of solid