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For the equation \(x-y=3\), which point is obtained when \(y=1\)?

Answer and explanation

Correct answer: (4, 1)

Substituting \(y=1\) gives \(x-1=3\), so \(x=4\). Therefore, the point is \((x,y)=(4,1)\). Option B reverses the coordinate order; a point is written as \((x,y)\), not \((y,x)\). Exam tip: find the missing coordinate first, then write the ordered pair as \((x,y)\).

Related tags

Linear EquationsOrdered PairsGraphical MethodCoordinate GeometryGraphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two VariablesMathematics

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