I will assume that you mean
-2xy3+3x2y.
Then by "degree" is usually meant the total degree--the maximum sum of exponents of all variables. Here the first term has degree 1+3=4 and the second term has degree 2+1=3, so the degree of the entire expression is 4.
It is also a 2nd degree expression in x and a 3rd degree expression in y.
7X^3 Third degree polynomial.
3x² - 4x + 9 is a polynomial of degree 2.
degree 1
The x^5 at the beginning makes the degree of the polynomial 5.
The degree of a polynomial is merely the value of the highest power in the polynomial. In this case, the degree is 6 because of 4x6.
The degree of this polynomial is 2.
7X^3 Third degree polynomial.
A fifth degree polynomial.
3x² - 4x + 9 is a polynomial of degree 2.
degree 1
The x^5 at the beginning makes the degree of the polynomial 5.
The degree of a polynomial is merely the value of the highest power in the polynomial. In this case, the degree is 6 because of 4x6.
Degree 7
This has a degree of 2.
It is a second degree polynomial.
A 7th degree polynomial.
The highest power of the variable is 2, so it is a second degree polynomial.