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What is the correct solution of x/−5 > 3?

Answer and explanation

Correct answer: x < −15

The governing concept is reversal of an inequality when multiplying or dividing by a negative number. Starting from x/−5 > 3, multiply both sides by −5 to remove the denominator. Because −5 is negative, the sign reverses: x < 3(−5) = −15. Hence option B is correct. A check confirms the result: if x = −16, then (−16)/(−5) = 3.2, which is greater than 3, so it satisfies the original inequality. If x = −15, the quotient is exactly 3 and is excluded because the original sign is strict. Option A makes the common error of keeping the sign unchanged; options C and D use the wrong sign or magnitude.

Related tags

Linear InequalitiesFractionNegative MultiplierAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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