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While showing (x<0) on the number line, what type of circle is drawn at (0)?

Answer and explanation

Correct answer: Open circle

In \(x<0\), all numbers less than 0 are included, but \(0\) itself is not included in the solution. Therefore, an open circle is drawn at \(0\), with the line or arrow extending to the left. A closed circle would be used for \(x\leq 0\), because 0 is included there. Exam tip: use an open circle for \(<\) or \(>\), and a closed circle for \(\leq\) or \(\geq\).

Related tags

Linear InequalitiesNumber LineOpen CircleStrict InequalityBoundary PointRepresentation On Number LineMathematicsClass 11 Mcq

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