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Which inequality has a number-line representation with a closed circle at 8 and shading to the left?

Answer and explanation

Correct answer: x ≤ 8

Two graphical rules must be applied together. First, a closed circle at 8 means that 8 is included, so the inequality must contain ≤ or ≥ rather than a strict sign. Second, shading to the left represents numbers smaller than 8. Combining these facts gives x ≤ 8: it includes 8 and every real number less than 8. Thus option B is correct. Option A has the correct direction but uses an open endpoint, so it excludes 8. Option D includes 8 but shades to the right, and option C both excludes 8 and selects the right side. The endpoint marking and shading direction must both agree.

Related tags

Linear-InequalitiesGraph-To-InequalityNumber-LineRepresentation On Number LineLinear InequalitiesMathematicsClass 11 Mcq

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