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Class 10 Mathematics Pair of Linear Equations in Two Variables Conditions for solvabilityMedium

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What conclusion follows from comparing the ratios of (a) and (b) in (7x+4y=18) and (3x+2y=10)?

Answer and explanation

Correct answer: (7/3 \ne 4/2), so one unique solution

Here (7/3 \ne 4/2), so the lines will intersect at one point. If the first two ratios differ, one unique solution is obtained.

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Linear Equations Ratio Comparison Unique Solution Conditions For Solvability Pair Of Linear Equations In Two Variables Mathematics Class 10 Mcq

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