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Which of the following equations represents a line with a y-intercept of 5 and a negative slope?

Answer and explanation

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

In \(y=mx+c\), \(c\) is the y-intercept and \(m\) is the slope. For \(y=-2x+5\), \(c=5\) and \(m=-2\), so the slope is negative. Option B has a positive slope. Exam tip: put \(x=0\) to check the y-intercept.

Related tags

Linear EquationsSlopeY-InterceptCoordinate GeometryGrade 9 MathematicsSlope And Y InterceptIntroduction To PolynomialsMathematics

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