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State the degree of the polynomial 2 x^3 y + 7 x y - 9y. Is

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State the degree of the polynomial 2 x^3 y + 7 x y - 9y. Is the correct answer 4?

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The degree of the polynomial is 4. The highest exponent for a term with a non-zero coefficient.

 

2 x^3 y^ = 4

xy = 2

y = 1

 

4 is the highest, so the degree of the polynomial is 4.

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