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Which statement is always true about the solution region of a non-empty system of linear inequalities in two variables?

Answer and explanation

Correct answer: It is always convex.

Each linear inequality represents a half-plane, and every half-plane is convex. Their intersection therefore remains convex. It need not be bounded or contain the origin. Exam tip: use a test point to identify the valid side of each boundary.

Related tags

Linear InequalitiesConvex SetHalf PlanesFeasible RegionCoordinate GeometryAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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