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How will the lines 2x + 2y = 10 and x + y = 5 appear?

Answer and explanation

Correct answer: Coincident lines

To compare the two lines, simplify the first equation by dividing every term by 2: 2x + 2y = 10 becomes x + y = 5. This is exactly the second equation, not merely an equation with a similar slope. Therefore both equations represent the same geometric line, called coincident lines. Every point on that line satisfies both equations, so the pair has infinitely many solutions. Option A is correct. Distinct parallel lines would have the same slope but different intercepts, while intersecting lines would have different slopes and one common point. Options B, C, and D therefore do not describe this pair.

Related tags

Coincident LinesPair Of Linear EquationsInfinite SolutionsClass 10Graphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two VariablesMathematics

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