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Which linear equation has a graph that falls as x increases and intersects the y-axis above the origin?

Answer and explanation

Correct answer: \(y=-2x+5\)

In \(y=mx+c\), a falling line needs \(m<0\), while an intercept above the origin needs \(c>0\). Option A has \(m=-2\) and \(c=5\). Option C falls too, but its y-intercept is below zero. Exam tip: check the signs of \(m\) and \(c\) separately.

Related tags

Linear EquationsSlopeY-InterceptCoordinate GeometryGraph InterpretationPolynomialsSlope And Y InterceptIntroduction To Polynomials

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