Classifying Polynomials

Polynomial or Non-Polynomial:

$$x^3+\frac{1}{x^2}$$  

Polynomial or Non-Polynomial:

$$x^2-3x+\sqrt[]{5}$$   

Classify the polynomial based on the number of terms:

$$10x^4y^3+9x^5y$$  

Classify the polynomial based on the number of terms:

$$9x^5y$$  

Classify the polynomial based on the number of terms:

$$10x^4y^3+9x^5y-5x^{6^{ }}y^2$$  

What is the degree of the polynomial?

$$10y^7-9y^9+5y^3-y^2$$  

What is the degree of the polynomial?

$$10x^4y^3+9x^5y-5x^{6^{ }}y^2$$  

What is the degree of the polynomial?

$$2x^2y+3xy-4x^3y^{ }$$  

What is the leading term in

$$10y^7-9y^9+5y^3-y^2$$  ?

Arrange the terms of the polynomial in descending order:

$$10y^7-9y^9+5y^3-y^2$$