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If 7x−14y=28 and x−2y=4, which statement is correct?

Answer and explanation

Correct answer: Infinitely many solutions

The first equation is obtained by multiplying the second equation by 7: 7(x−2y=4) gives 7x−14y=28. Thus the equations are identical and represent the same line. A line contains infinitely many points, and each of those points satisfies both equations. Therefore option C is correct; the alternatives incorrectly assume inconsistency, a single intersection, or two isolated solutions.

Related tags

Linear EquationsDependent EquationsConditions For SolvabilityClass 10Pair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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