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If in (y=(a+5)x+a), the difference between slope and (y)-intercept is (5), which statement is correct?

Answer and explanation

Correct answer: It is true for every real value of a

Comparing the line with the standard form \(y=mx+c\), its slope is \(m=a+5\) and its \(y\)-intercept is \(c=a\). Therefore, their difference is \((a+5)-a=5\), which is true for every real value of a. Although it is true for \(a=5\) and \(a=0\), it is not restricted to those values. Exam tip: In \(y=mx+c\), the coefficient of x is the slope and the constant term is the \(y\)-intercept.

Related tags

Slope And InterceptLinear EquationsParameterAlgebraic IdentityCoordinate GeometrySlope And Y InterceptIntroduction To PolynomialsMathematics

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