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What type of pair is (13x+4y=39) and (6x+2y=17)?

Answer and explanation

Correct answer: Consistent and independent

For a pair of linear equations, if \(\frac{a_1}{a_2} \ne \frac{b_1}{b_2}\), the pair has a unique solution and is called consistent and independent. Here, \(\frac{13}{6} \ne \frac{4}{2}\), so the two lines intersect at exactly one point. Therefore, option C is correct. Option B would require infinitely many solutions, which occurs only when \(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}\). Exam tip: first compare \(a_1/a_2\) and \(b_1/b_2\).

Related tags

Pair Of Linear EquationsConditions For SolvabilityConsistent IndependentUnique SolutionPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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