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If the inequality is (x\ge -1), which value will not be in the solution?

Answer and explanation

Correct answer: (-2)

The direct answer is option D, -2. The inequality x≥-1 means x may be -1 or any number greater than -1. The endpoint -1 is included because the symbol ≥ means greater than or equal to. Check each choice directly: option A, -1, satisfies -1≥-1, so it belongs to the solution. Option B, 0, is greater than -1, so it belongs. Option C, 2, is also greater than -1, so it belongs. Option D, -2, is less than -1, so it does not satisfy the inequality and is not in the solution. On a number line, use a filled dot at -1 and shade to the right. A common mistake is to use an open circle for ≥; an open circle is used only when the endpoint is excluded, such as >.

Related tags

Linear-InequalitiesSolution-CheckNumber-Line

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