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If \(a<0\) and \(ax+4>10\), which is the correct solution for \(x\)?

Answer and explanation

Correct answer: \(x<\frac{6}{a}\)

From \(ax+4>10\), we first obtain \(ax>6\). Since \(a<0\), dividing both sides by \(a\) reverses the inequality sign, giving \(x<\frac{6}{a}\). Option B ignores this sign reversal, while options C and D incorrectly include equality. Exam tip: always reverse the inequality sign when multiplying or dividing an inequality by a negative number.

Related tags

Linear InequalitiesNegative CoefficientSign ReversalOne VariableAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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