Graph of $2x + 3y \leq 6$
All points lying on the boundary line and in the shaded half-plane are solutions to this inequality.
Source
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"Graphing Linear Equations and Inequalities: Graphing Linear Inequalities in Two Variables. ."
http://cnx.org/contents/82f983c0-84ab-49a3-a86e-9004eb8d1fcb@4
Wade Ellis and Denny Burzynski, OpenStax CNX. Jun 1, 2009
CC BY 3.0.