Answer
Degrees of the terms
$y^4: 4$
$-6y^3x: 4$
$2x^2y^2: 4$
$-5y^2: 2$
$3:0$
Degree of the polynomial: 4
Work Step by Step
Degrees of the terms
$y^4: 4$
$-6y^3x: 3+1=4$
$2x^2y^2: 2+2=4$
$-5y^2: 2$
$3:0$
Degree of the polynomial
The largest degree of term is 4, so 4 is the degree of the polynomial.