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What is the correct number-line representation of \(\frac{x-2}{-3}\le -4\)?

Answer and explanation

Correct answer: \(x\ge 14\), closed at \(14\), shaded right

In \(\frac{x-2}{-3}\le -4\), multiplying both sides by \(-3\) reverses the inequality sign: \(x-2\ge 12\). Hence, \(x\ge 14\). Therefore, the number line has a closed point at \(14\) and shading to the right. Option A incorrectly fails to reverse the inequality sign. Exam tip: always reverse an inequality when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesNegative DenominatorNumber LineInequality ReversalClass 11 MathematicsRepresentation On Number LineMathematicsClass 11 Mcq

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