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Which of the following lines is parallel to \(2x-3y+7=0\) and intersects the \(y\)-axis at \(-4\)?

Answer and explanation

Correct answer: \(2x-3y-12=0\)

Writing the given line as \(y=\frac{2}{3}x+\frac{7}{3}\) shows that its slope is \(\frac{2}{3}\). A parallel line must have this same slope and y-intercept \(-4\). Option A rearranges to \(y=\frac{2}{3}x-4\). Exam tip: parallel lines always have equal slopes.

Related tags

Linear EquationsSlopeY-InterceptParallel LinesCoordinate GeometryClass 9 MathematicsSlope And Y InterceptIntroduction To Polynomials

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