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If (2x+3y=16) and (4x+6y=32), which statement is correct?

Answer and explanation

Correct answer: There are infinitely many solutions

Compare the two equations after multiplying the first equation by 2. The result is 4x+6y=32, which is exactly the second equation. Thus both equations represent the same straight line, not two different intersecting lines. Every point satisfying 2x+3y=16 also satisfies the second equation, so there are infinitely many ordered pairs in the solution set. For example, x=2 gives y=4, while x=5 gives y=2; both are different solutions. Therefore option C is correct. A unique solution would require two distinct lines meeting at one point. No solution would occur for parallel distinct lines, where the coefficient ratios agree but the constant ratio differs. Option D is also false: x=0 gives y=16/3, but it is only one of infinitely many solutions, not the only one.

Related tags

Linear EquationsDependent EquationsInfinite SolutionsClass 10Algebraic Methods: Substitution Method And Elimination Method.Algebraic Methods Substitution Method And Elimination MethodPair Of Linear Equations In Two VariablesMathematics

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