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What does the origin test give for \(x-y\leq 2\)?

Answer and explanation

Correct answer: true

Substituting the origin \((0,0)\) into \(x-y\leq 2\) gives \(0-0\leq 2\), i.e. \(0\leq 2\). This is true, so the origin lies in the half-plane that satisfies the inequality. Option B incorrectly calls this true statement false. Exam tip: shade the side of the boundary line for which a test point satisfies the inequality.

Related tags

Linear InequalitiesOrigin TestGraphical SolutionHalf PlaneTwo VariablesGraphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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