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What conclusion follows when \(x=2\) is substituted in the polynomial \(p(x)=4x-8\)?

Answer and explanation

Correct answer: 2 is a zero of the polynomial

\(p(2)=4\times2-8=0\). Therefore, \(x=2\) is a zero of the polynomial because a zero is a value that makes the polynomial equal to zero. Options B, C and D are incorrect: the degree is 1, the coefficient of \(x\) is 4, and the constant term is \(-8\). In an exam, test a possible zero by substituting it and checking whether the result is 0.

Related tags

PolynomialsZero Of PolynomialLinear PolynomialSubstitutionAlgebraPolynomials In One VariableMathematicsClass 10 Mcq

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