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Mathematics 8 Online
OpenStudy (anonymous):

which is the degree of the polynomial? xy+3x*2-7+x (the 2 is an exponent) 1 2 3 4

OpenStudy (wilsondanielle):

the degree of the polynomial is the sum of all the exponents of the terms of the polynomial. What would that be?

OpenStudy (wilsondanielle):

hint : y counts as a variable, and 7 can be written as x^0 (or y^0)

OpenStudy (anonymous):

so just 2?

OpenStudy (wilsondanielle):

Not quite. you can write it as x^1*y^1 +3x^2 + 7x^0 + x^1 what is the sum of the exponents?

OpenStudy (anonymous):

is it 4? @wilsondanielle

OpenStudy (wilsondanielle):

i get 5, but maybe they don't want you to count the y (which makes it 4)

OpenStudy (wilsondanielle):

ok wait no I'm thinking of something else - sorry! The degree of a polynomial is the highest degree of its terms when the polynomial is expressed in its canonical form consisting of a linear combination of monomials. The degree of a term is the sum of the exponents of the variables that appear in it.

OpenStudy (anonymous):

i got 5 too but there was not an answer choice for that? Thank You

OpenStudy (wilsondanielle):

pick the highest exponent - that will be it

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