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Which form is correct when \(2y-x\le 6\) is written in terms of \(y\)?

Answer and explanation

Correct answer: \(y\le \frac{x+6}{2}\)

Adding \(x\) to both sides of \(2y-x\le 6\) gives \(2y\le x+6\). Dividing both sides by the positive number \(2\) does not reverse the inequality sign, so \(y\le \frac{x+6}{2}\). Therefore, option A is correct. Option C incorrectly keeps \(x\) with a negative sign. Exam tip: reverse an inequality only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesInequality ManipulationTwo VariablesGraphical SolutionClass 11Graphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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