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If x = 0, which inequality is true?

Answer and explanation

Correct answer: −x + 2 ≥ 2

The governing concept is verifying an inequality through substitution while recognizing whether equality is allowed. Set x = 0 in every option. A becomes 2(0) + 1 = 1, so 1 < 0 is false. B becomes 4 − 0 = 4, and 4 ≤ 3 is false. C becomes −0 + 2 = 2, giving 2 ≥ 2, which is true because ≥ includes equality. D becomes 0 − 5 = −5, and −5 > 1 is false. Hence option C is the only correct answer. The equality case is decisive: the numerical expressions on the two sides of C are equal, and the symbol permits that equality. If C had used > instead of ≥, it would not have been satisfied.

Related tags

Linear InequalitiesSubstitutionEqualityVerificationMathematicsClass 11 McqIntroduction To Inequalities

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