If one point of a half-plane is in the solution set of a linear inequality, then all points in that half-plane are in the solution set. This gives us a convenient method for graphing linear inequalities. 1. Replace the inequality symbol with an equal sign and graph the resulting line.
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If one point of a half-plane is in the solution set of a linear inequality, then all points in that half-plane are in the solution set. This gives us a convenient method for graphing linear inequalities. 1. Replace the inequality symbol with an equal sign and graph the resulting line.