Mathematics 10: Polynomial or Not?

 $-3x^3$  

• Polynomial

• Not a Polynomial

 $5x^0$  

• Polynomial

• Not a Polynomial

 $2\sqrt{3x}+x^2-1$  

• Polynomial

• Not a Polynomial

 $1-2x+3x^{2\ }-4x^3$  

• Polynomial

• Not a Polynomial

 $6x^{-4}+x^{-2\ }-x$  

• Polynomial

• Not a Polynomial

 $3\sqrt{2}x^{4\ }-5x+2$  

• Polynomial

• Not a Polynomial

 $2^{\frac{1}{2}}+3x^{\frac{1}{2}}$  

• Polynomial

• Not a Polynomial

= $-8x^4-7x^{3.5}+6x^3$  

• Polynomial

• Not a Polynomial

 $\frac{13x-2x^2}{x}$  

• Polynomial

• Not a Polynomial

 $\frac{2x^{2\ }-x}{13}$  

• Polynomial

• Not a Polynomial