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Which boundary line is obtained after simplifying \(4x+2y\le 16\)?

Answer and explanation

Correct answer: \(2x+y=8\)

Dividing both sides of \(4x+2y\le 16\) by 2 gives \(2x+y\le 8\). To draw the graph, replace the inequality sign with an equality sign to obtain the boundary line. Therefore, the boundary line is \(2x+y=8\). Option B is the simplified inequality, not its boundary line. Exam tip: For a boundary line, always replace the inequality sign with \(=\).

Related tags

Linear InequalitiesBoundary LineGraphical SolutionTwo VariablesClass 11Graphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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