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What kind of pair is (13x+5y=22) and (26x+10y=45)?

Answer and explanation

Correct answer: Inconsistent (parallel and distinct lines)

For the two equations, 13/26 = 5/10 = 1/2, but 22/45 is not equal to 1/2. Thus, a₁/a₂ = b₁/b₂, while c₁/c₂ is different. Therefore, the two lines are parallel and distinct, so they have no common solution and the pair is inconsistent. Exam tip: When a₁/a₂ = b₁/b₂ ≠ c₁/c₂, the pair is inconsistent.

Related tags

Pair Of Linear EquationsSolvabilityInconsistent EquationsParallel LinesClass 10 MathematicsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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