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What will be shown in the graph of the equations (25x+10y=95) and (5x+2y=19)?

Answer and explanation

Correct answer: Same line

The first equation is five times the second: \(25x+10y=5(5x+2y)=5\times19=95\). Thus, both equations represent the same equation, so their graphs coincide as one line. Exam tip: when \(a_1/a_2=b_1/b_2=c_1/c_2\), the pair has infinitely many solutions and the two lines are coincident, not merely distinct parallel lines.

Related tags

Linear EquationsSolvability ConditionsCoincident LinesGraphsGrade 10Conditions For SolvabilityPair Of Linear Equations In Two VariablesMathematics

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