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For prices of two tickets the equations (5x+4y=180) and (10x+8y=370) are formed. What type of system is this?

Answer and explanation

Correct answer: Inconsistent

Here, \(a_1/a_2=5/10=1/2\) and \(b_1/b_2=4/8=1/2\), but \(c_1/c_2=180/370=18/37\). Thus, \(a_1/a_2=b_1/b_2\ne c_1/c_2\), so the two lines are distinct and parallel and do not intersect. Therefore, the system is inconsistent and has no solution. Exam tip: Compare the ratios of the coefficients of \(x\) and \(y\) first, and then compare the ratio of the constants.

Related tags

Pair Of Linear EquationsConsistency ConditionsInconsistent SystemParallel LinesClass 10 MathematicsConditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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