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What happens when (x = 6) is put in (6x + 4 ≤ 40)?

Answer and explanation

Correct answer: The statement will be true

The governing idea is substitution and verification of an inequality. Replace x by 6 in the left-hand side: 6x + 4 = 6(6) + 4 = 36 + 4 = 40. The inequality therefore becomes 40 ≤ 40. This statement is true because the symbol ≤ means “less than or equal to,” so equality at the boundary is permitted. Hence x = 6 satisfies the inequality, and option A is correct. Option B is wrong because 40 is not greater than itself; it is equal. Option C incorrectly gives a complete solution set when the question asks only for checking one value, while option D changes the symbol without any algebraic reason.

Related tags

Linear InequalitiesSubstitutionInequality VerificationEquality IncludedAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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