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What is the intersection of x ≥ 0 and x ≤ 0 on a number line?

Answer and explanation

Correct answer: Only 0

The governing concept is intersection, which means the set of values satisfying both conditions simultaneously. From x ≥ 0, the possible values are 0 and all numbers to its right. From x ≤ 0, the possible values are 0 and all numbers to its left. The only common value in these two sets is exactly 0. Both inequalities include 0 because their signs are ≥ and ≤, so the point is included rather than excluded. Therefore, the intersection is the singleton set {0}, and option C is correct. The entire line would satisfy neither restriction, the empty set overlooks the common endpoint, and the line excluding 0 contains values that violate one of the inequalities.

Related tags

IntersectionInequalitiesSingleton SetRepresentation On Number LineLinear InequalitiesMathematicsClass 11 Mcq

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