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A student wrote the degree of the polynomial \(p(y)=8y^4-y^7+5\) as 4 because they considered the first term \(8y^4\). What is the correct degree?

Answer and explanation

Correct answer: 7

The degree of a polynomial is the greatest exponent of the variable in any term. Here, the term \(-y^7\) has exponent 7, so the degree is 7. Choosing 4 from the first term is incorrect. Exam tip: check every term for the highest power.

Related tags

PolynomialsDegree Of PolynomialExponentsError AnalysisClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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