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Number Line Interpretation of Inequalities
Inequality symbols have a direct geometric meaning on a number line. When , the point representing lies to the left of the point representing . Conversely, when , the point for lies to the right of the point for . This visual correspondence allows students to verify an inequality by locating both values on a number line and checking their relative positions.
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Ch.2 Solving Linear Equations and Inequalities - Elementary Algebra @ OpenStax
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