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A student says that the degree of the polynomial \(7-3x^4+0x^6\) is 6. Which statement corrects the student's error?

Answer and explanation

Correct answer: The degree of a polynomial is the greatest exponent of \(x\) in a term with a non-zero coefficient.

Since \(0x^6\) is a zero term, it does not affect the degree. The highest power among the non-zero terms is \(x^4\), so the degree is 4. Exam tip: ignore all terms with coefficient zero first.

Related tags

PolynomialsDegree Of PolynomialZero CoefficientAlgebraClass 9MathematicsDegree Of A PolynomialIntroduction To Polynomials

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