Section 1 - Topic 5 Understanding Polynomial Expressions

Is the following expression a polynomial?  $12x^3y^5$  

• YES

• NO

Is the following expression a polynomial?  $\frac{7a^5}{8b}$  

• YES

• NO

Is the following expression a polynomial?  $\frac{5}{2}x^4-3x^3+11x^9$  

• YES

• NO

Is the following expression a polynomial?  $14a^8b^3+11ab^4c-5a^{10}$  

• YES

• NO

Is the following expression a polynomial?  $6m+7n^{-1}+10m^5n^2$  

• YES

• NO

Is the following expression a polynomial?  $\frac{1}{5}a+4b^2$  

• YES

• NO

Is the following expression a polynomial? 

45 

• YES

• NO

Is the following expression a polynomial? 

 $\frac{xy^2}{y^4}$  

• YES

• NO

Is the following expression a polynomial? 

 $7rs+s^5$  

• YES

• NO

Is the following expression a polynomial? 

 $xy^5+4x-6y^{-1}$   

• YES

• NO