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If (y=(5a-2)x+(a+3)) has (y)-intercept (11), what is the slope?

Answer and explanation

Correct answer: 38

In a linear equation, the y-intercept is the constant term, the term not containing x. Here, the y-intercept is a+3. Thus, a+3=11 gives a=8. The slope is the coefficient of x: 5a-2=5(8)-2=38. Therefore, 38 is correct. Choosing 39 would give an incorrect coefficient of x. Exam tip: in y=mx+c, m is the slope and c is the y-intercept.

Related tags

Linear EquationsSlopeY-InterceptParameterCoordinate GeometrySlope And Y InterceptIntroduction To PolynomialsMathematics

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