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If the number line is shaded from -11 to -2 and both endpoints are closed, what is the inequality?

Answer and explanation

Correct answer: -11 ≤ x ≤ -2

A closed endpoint on a number line means that the endpoint belongs to the solution set and is represented by an inclusive inequality sign. Since both -11 and -2 are shown with closed circles, both boundary values must be included. The shaded portion between them therefore consists of all x satisfying -11 ≤ x ≤ -2. Option A excludes both endpoints, option B includes only -11, and option C includes only -2. None of those matches the statement that both ends are closed. Hence option D is correct. In interval notation, the same solution set is [-11, -2], which confirms the two inclusive inequality signs.

Related tags

Linear InequalitiesClosed IntervalNumber Line ShadingClass 11Representation On Number LineMathematicsClass 11 Mcq

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