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Which inequality has the empty set as its solution?

Answer and explanation

Correct answer: x + 2 < x + 1

An inequality has an empty solution set when it reduces to a contradiction that is false for every possible value of x. In option A, subtracting x from both sides gives 2 < 1. This is always false, so no real number can satisfy x + 2 < x + 1; its solution set is empty. The other options simplify to identities that are always true. Option B becomes 2 > 1, option C becomes 0 < 1, and option D becomes −3 < 0. Each of those statements is true independently of x, so each corresponding solution set is all real numbers. Therefore option A is the only inconsistent inequality and the only one with no solution.

Related tags

Linear-InequalitiesEmpty-SetNo-SolutionContradictionIntroduction To InequalitiesLinear InequalitiesMathematicsClass 11 Mcq

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