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Which equation represents a line parallel to \(y=3x-4\) and intersecting the y-axis at 7?

Answer and explanation

Correct answer: \(y=3x+7\)

In \(y=mx+b\), \(m\) is the slope and \(b\) is the y-intercept. Parallel lines have equal slopes, so \(m=3\); with \(b=7\), the equation is \(y=3x+7\). Option A has the correct intercept but slope \(-3\). Exam tip: compare slope before intercept.

Related tags

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

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