When the graphs of two linear equations in two variables meet at exactly one point

MATHEMATICS · Single correct · AoPS · Mathematics · Multi-Variable Linear Equations · Multi-Variable Linear Equations

Problem

When the graphs of two linear equations in two variables meet at exactly one point, that point represents (a) that the pair has no solution (b) the point where both variables are zero (c) the unique solution of the pair of equations (d) infinitely many solutions

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