Tenor Chapter 5 Algebra

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Terms in this set (...)

Boundary
A line or curve that separates the coordinate plane into regions.
Closed half-plane
The solution of a linear inequality that includes the boundary line.
Compound inequality
Two or more inequalities that are connected by the words "and" or "or".
Half-plane
The region of the graph of an inequality on one side of the boundary.
Inequality
An open sentence that contains an inequality symbol.
Intersection
The graph of a compound inequality containing "and"; the solution is the set of elements common to both inequalities.
Open half-plane
The solution of a linear inequality that does not include the boundary line.
Set-builder notation
A concise way of writing a solution set. {x I x<7}
Union
The graph of a compound inequality containing "or"; the solution is a solution of either inequality, not necessarily both.