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What is the degree of (5x^6-4x^2+9)?

Answer and explanation

Correct answer: 6

The degree of a polynomial is the greatest exponent of the variable in any term with a non-zero coefficient. Here, the exponents of the terms are 6, 2, and 0; the greatest is 6. Therefore, the correct answer is 6. The number 2 is only the exponent in the term -4x^2, not the degree of the whole polynomial. Exam tip: treat a non-zero constant term as having exponent 0, then identify the greatest exponent.

Related tags

PolynomialsDegree Of PolynomialClass 9 MathematicsAlgebraExponentsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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