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What is the correct conclusion by observing (9x-6y=12) and (3x-2y=7)?

Answer and explanation

Correct answer: No solution

The ratios of the coefficients are equal: 9/3 = (-6)/(-2) = 3, but the ratio of the constant terms is 12/7, which is not 3. Hence, the two lines are parallel and distinct, so the pair has no solution. If all three ratios were equal, the lines would be coincident and would have infinitely many solutions. Exam tip: when a₁/a₂ = b₁/b₂ ≠ c₁/c₂, the pair has no solution.

Related tags

Pair Of Linear EquationsNo SolutionConditions For SolvabilityParallel LinesPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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