Answer:
5
Step-by-step explanation:
Find the degree of each monomial term of the polynomial. The highest degree is the answer.
deg(3x^4)=4
deg(-4x^3y)=3+1=4
deg(6x^2y^2)=2+2=4
deg(-8x^2y^3)=2+3=5
deg(-7y^4)=4
deg(2)=0
The highest degree there is 5 so that is the degree of the polynomial.
