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At which point do the lines x+2y=10 and 2x−y=5 meet on the graph?

Answer and explanation

Correct answer: (4,3)

The governing concept is that the graphical solution of two linear equations is their common intersection point. The coordinates must satisfy both equations. Test option A: for (4,3), the first equation gives x+2y=4+2(3)=10, and the second gives 2x−y=2(4)−3=5. Thus (4,3) lies on both lines. The other options fail this simultaneous check: (3,4) gives 11 and 2; (5,2) gives 9 and 8; and (2,5) gives 12 and −1. Since only one point satisfies both equations exactly, the lines meet at (4,3). Algebraically, solving the pair also confirms this intersection, so option A is unambiguous.

Related tags

Graphical-MethodIntersectionLinear-EquationsGraphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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