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If a non-zero polynomial \(p(x)\) has degree 4, which of the following statements must be true?

Answer and explanation

Correct answer: The coefficient of \(x^4\) is non-zero, and there is no term with \(x^5\) or a higher power.

The degree is the highest power of \(x\) having a non-zero coefficient. Thus, the \(x^4\) coefficient must be non-zero and no \(x^5\) or higher term can occur. Its coefficient need not be 1. Exam tip: identify the highest non-zero power.

Related tags

PolynomialsDegree Of PolynomialNon-Zero PolynomialAlgebraClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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