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Which form is obtained when |x + 2| > 3 is shown on the number line?

Answer and explanation

Correct answer: x < −5 or x > 1

The inequality |x + 2| > 3 states that the distance of x from −2 is greater than 3. For an absolute-value inequality with a greater-than sign, split it into two cases: x + 2 < −3 or x + 2 > 3. Solving the first inequality gives x < −5, while solving the second gives x > 1. Since the original sign is strict, the boundary values −5 and 1 are excluded; they are represented by open circles on the number line. The solution is therefore the union of two outer intervals, extending left from −5 and right from 1. Hence option D is correct. Options A and B describe the central region, which would correspond to a less-than condition, and option C incorrectly includes the endpoints.

Related tags

Linear InequalitiesAbsolute ValueNumber LineOuter IntervalsClass 11 MathematicsRepresentation On Number LineMathematicsClass 11 Mcq

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