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Which expression is a linear polynomial in (z)?

Answer and explanation

Correct answer: \(8z-3\)

In \(8z-3\), the highest power of \(z\) is 1 and the coefficient of \(z\) is non-zero, so it is a linear polynomial. \(14\) is a constant polynomial of degree 0, while \(\frac{1}{z}+2\) is not a polynomial because it contains the negative power \(z^{-1}\). Exam tip: A linear polynomial has the form \(az+b\), where \(a\ne0\).

Related tags

PolynomialsLinear PolynomialDegree Of PolynomialAlgebraClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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