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For which value will ((m+6)x^4-2x+9) become a linear polynomial?

Answer and explanation

Correct answer: \(m=-6\)

A linear polynomial has degree 1. In the given expression, the coefficient of \(x^4\) is \(m+6\). For the polynomial to become linear, this coefficient must be zero: \(m+6=0\). Hence, \(m=-6\), and the polynomial becomes \(-2x+9\), which has degree 1. If \(m=0\), the term \(6x^4\) remains, so it is not linear. Exam tip: Before deciding the degree of a polynomial, check whether the coefficient of the highest-power term can become zero.

Related tags

PolynomialsLinear PolynomialDegree Of PolynomialParameterAlgebraDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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