Definition

Solution to a Linear Inequality in Two Variables

An ordered pair (x,y)(x, y) is a solution to a linear inequality in two variables if substituting the coordinate values for the variables produces a true mathematical statement. Just as single-variable inequalities (such as x>3x > 3) are satisfied by infinitely many numbers, a linear inequality in two variables is generally satisfied by infinitely many ordered pairs. To formally verify whether a given ordered pair is a solution, you must substitute its specific xx and yy values directly into the inequality and evaluate whether the resulting numerical statement holds true.

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Updated 2026-05-06

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