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While solving a linear inequality in one variable, in which situation must the inequality sign be reversed?

Answer and explanation

Correct answer: When multiplying or dividing by a negative number

Multiplying or dividing by a negative number reverses order, so the sign flips. For example, \(-2x<6\Rightarrow x>-3\). Adding or subtracting the same number does not change it. Exam tip: check for a negative multiplier before writing the final inequality.

Related tags

Linear InequalitiesOne VariableInequality SignNegative NumbersAlgebraClass 11Algebraic Solution Of Linear Inequalities In One VariableMathematics

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