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What is the total degree of the polynomial 5x^3y^4 - 2x^6y + 7xy^2 - 1?

Answer and explanation

Correct answer: 7

For a polynomial in two variables, the total degree of a term is the sum of the exponents of all variables in that term. The term degrees are 3+4=7, 6+1=7, 1+2=3, and the constant has degree 0. The polynomial degree is the greatest term degree, so the answer is 7. Therefore, option B is correct; 6 counts only the highest power of x.

Related tags

PolynomialTotal DegreeTwo VariablesDegree Of A PolynomialIntroduction To PolynomialsMathematicsClass 9 Mcq

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