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In the graph of \(x+y\leq 8\), what is the status of \((8,0)\)?

Answer and explanation

Correct answer: In solution and on boundary

Substituting \((8,0)\) gives \(x+y=8+0=8\), so \(8\leq 8\) is true. Therefore, the point belongs to the solution region. Since equality holds, it lies on the boundary line \(x+y=8\). Option B is incorrect because the inequality is satisfied. Exam tip: For \(\leq\) or \(\geq\), points giving equality are included in the solution set.

Related tags

Linear InequalitiesBoundary PointSolution RegionCoordinate GeometryGraphical InequalitiesGraphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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