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Which expression is a linear polynomial in (t)?

Answer and explanation

Correct answer: \(5t-9\)

A linear polynomial has highest power of the variable equal to 1, with a non-zero coefficient of that variable. In \(5t-9\), the highest power of \(t\) is 1, so it is a linear polynomial. \(t^2+1\) is quadratic, while \(12\) is a constant polynomial of degree 0. Exam tip: To find the degree of a polynomial, look for the greatest exponent of its variable.

Related tags

PolynomialsLinear PolynomialDegree Of PolynomialClass 9 MathematicsAlgebraDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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