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If the two lines are 4x + 2y = 10 and 2x + y = 5, what will be their position on the graph?

Answer and explanation

Correct answer: Coincident lines

The governing concept is comparing two linear equations after reducing them to a common standard form. Divide every term of the first equation 4x + 2y = 10 by 2. This gives 2x + y = 5, which is exactly the second equation. Therefore both equations describe the same set of points and represent one line drawn twice. Such lines are coincident and have infinitely many common solutions, so option D is correct. Parallel lines would have proportional x and y coefficients but different constants, intersecting lines would have different slopes, and perpendicularity is not indicated here. Scalar simplification proves coincidence directly.

Related tags

Coincident LinesInfinite SolutionsGraphical MethodGraphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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