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How will the intersection of \(x\le -3\) and \(x\ge -3\) appear on the number line?

Answer and explanation

Correct answer: Only a closed dot at \(-3\)

An intersection contains only values that satisfy both inequalities at the same time. Both \(x\le -3\) and \(x\ge -3\) are true only for \(x=-3\). Hence, the number line shows a closed dot at \(-3\). Option A includes values less than \(-3\), and option C includes values greater than \(-3\), so neither represents the intersection. Exam tip: When opposite inequalities have the same boundary value, the intersection is often that single boundary point.

Related tags

Linear InequalitiesIntersectionNumber LineClosed DotSingle SolutionRepresentation On Number LineMathematicsClass 11 Mcq

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