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What is the correct solution of x/−3 < 2?

Answer and explanation

Correct answer: x > −6

The governing concept is that multiplication by a negative number reverses the order in an inequality. Begin with x/(−3) < 2. Multiply both sides by −3. Since −3 is negative, the symbol < changes to >, so x > 2(−3) = −6. Therefore option B is correct. A check with x = −5 confirms the result: (−5)/(−3) = 5/3, and 5/3 < 2 is true; also −5 > −6. Option A is the common mistake of multiplying by −3 without reversing the sign. Options C and D have an incorrect endpoint or direction. The endpoint −6 is not included because the original relation is strict; x = −6 would produce 2 < 2, which is false.

Related tags

Linear InequalitiesNegative MultiplierStrict InequalityClass 11 MathematicsAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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