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While graphing the inequality \(2x-y\ge 3\), a student draws the boundary line dashed and shades the side containing \((0,0)\). What correction is required in the graph?

Answer and explanation

Correct answer: The boundary line should be solid, and the side opposite to \((0,0)\) should be shaded.

Since \(\ge\) includes equality, the boundary \(2x-y=3\) must be solid. Substituting \((0,0)\) gives \(0\ge3\), which is false, so shade the opposite side. Exam tip: decide solid or dashed before testing a point.

Related tags

Linear InequalitiesGraphical SolutionBoundary LineTest PointCoordinate GeometryGraphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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