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If the points \((-2,9)\) and \((3,-1)\) are given in the value table of a line, which is the correct equation of that line?

Answer and explanation

Correct answer: \(2x+y=5\)

Substituting the first point in \(2x+y=5\) gives \(2(-2)+9=5\), and substituting the second point gives \(2(3)+(-1)=5\). Thus, both points lie on this line. Options B and D satisfy only one of the points, while option C does not correctly satisfy either given point. Exam tip: To verify the equation of a line, substitute both given ordered pairs into it.

Related tags

Pair Of Linear EquationsGraphical MethodLine EquationValue TableCoordinate GeometryGraphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two Variables

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