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If the number line has a closed circle at 16 and shading to the right, what is the inequality?

Answer and explanation

Correct answer: x ≥ 16

The governing concept is reading both the endpoint symbol and the direction of shading. A closed or filled circle at 16 means that 16 itself belongs to the solution set, so the inequality must include equality. Shading to the right represents numbers greater than 16. Combining these facts gives x ≥ 16. Option A points to values less than 16 and excludes the endpoint. Option D points in the correct general direction but excludes 16 because it uses a strict greater-than sign. Option B includes 16 but shades to the left, representing x ≤ 16. Therefore option C is the only representation consistent with both the filled endpoint and rightward shading.

Related tags

Linear-InequalitiesNumber-LineClosed-EndpointInequality-DirectionRepresentation On Number LineLinear InequalitiesMathematicsClass 11 Mcq

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