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If both sides of the inequality \(p<q\) are multiplied by \(-3\), what will the resulting inequality be?

Answer and explanation

Correct answer: \(-3p>-3q\)

When both sides of an inequality are multiplied by a negative number, the inequality sign reverses. Thus, multiplying \(p<q\) by \(-3\) gives \(-3p>-3q\). Option B is incorrect because it leaves the sign unchanged. Exam tip: always reverse the inequality sign when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesInequality PropertiesNegative MultiplicationClass 11Introduction To InequalitiesMathematicsClass 11 Mcq

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