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If \(x-5\) is a factor of a polynomial, which statement about \(x=5\) is correct?

Answer and explanation

Correct answer: \(x=5\) is a zero of the polynomial

By the factor theorem, if \(x-5\) is a factor of \(p(x)\), then \(p(5)=0\). Hence, 5 is a zero of the polynomial. The degree is the highest power of \(x\), not a value of \(x\). Exam tip: from \(x-a\), identify the zero as \(a\).

Related tags

Algebraic IdentitiesPolynomialsFactor TheoremZeros Of PolynomialClass 9 MathematicsQuadratic ExpressionsExploring Algebraic IdentitiesMathematics

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