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What is the relation among all three ratios in (3x+4y=22) and (6x+8y=44)?

Answer and explanation

Correct answer: All three ratios are equal

Here, \(\frac{3}{6}=\frac{4}{8}=\frac{22}{44}=\frac{1}{2}\). Thus, \(\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}\), so the two linear equations represent coincident lines and have infinitely many solutions. Exam tip: when all three ratios are equal, the lines are coincident; when only the coefficient ratios are equal, they are parallel; and when the first two ratios are equal but the third differs, the system is inconsistent.

Related tags

Linear EquationsRatio RelationSolvability ConditionsCoincident LinesInfinitely Many SolutionsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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