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Which statement is correct by observing the equations (12x+5y=41) and (24x+10y=82)?

Answer and explanation

Correct answer: Lines are the same

Every term of the second equation is twice the corresponding term of the first: 24x+10y=82 = 2(12x+5y=41). Hence, both equations represent the same line and the system has infinitely many solutions. Options A or D would apply only when the corresponding ratios are unequal. Exam tip: if \(a_1/a_2=b_1/b_2=c_1/c_2\), the lines coincide and the system has infinitely many solutions.

Related tags

Linear EquationsSolvability ConditionsSame LinesCoincident LinesInfinitely Many SolutionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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