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With respect to (y), what is the degree of (6x^3y^7-4x^5y^2+9y-1)?

Answer and explanation

Correct answer: 7

The degree of a polynomial with respect to y is the greatest exponent of y. In the given expression, the powers of y in the terms are 7, 2, 1, and 0. The greatest power is 7, so the answer is 7. The powers of x are treated as part of the coefficients when considering y; hence 5 is not the degree. Exam tip: When degree is asked with respect to one variable, compare powers of that variable only.

Related tags

PolynomialsDegree Of PolynomialDegree In YMultivariable PolynomialClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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