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Which of the following inequalities has the solution \(x\ge -2\)?

Answer and explanation

Correct answer: \(4x+8\ge 0\)

In option A, \(4x+8\ge 0\) gives \(4x\ge -8\), and dividing by 4 gives \(x\ge -2\). Since 4 is positive, the inequality sign remains unchanged. Option B gives \(x\le -2\), option C gives \(x<-2\), and option D gives \(x\ge 2\). Exam tip: dividing or multiplying an inequality by a positive number does not reverse its sign.

Related tags

Linear-InequalitiesOne-Variable-InequalitiesAlgebraic-SolutionInequality-SignsAlgebraic Solution Of Linear Inequalities In One VariableLinear InequalitiesMathematicsClass 11 Mcq

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