Using polynomial concepts, it is found that the degree of the polynomial given in this problem is 2.
The degree of a polynomial is given by it's largest exponent.
In this problem, the polynomial is given by:
[tex]-\frac{1}{4}abc + 2b^2[/tex]
The highest exponent is 2, hence, the degree of the polynomial given in this problem is 2.
You can learn more about the degree of polynomials at https://brainly.com/question/13744874