RATIONAL ALGEBRAIC EXPRESSIONS

 $\frac{x^4}{y^3}$  

 $\frac{x^{12}}{y^3}$  

 $x^{12}y^{27}$  

 $\frac{y^3}{x^4}$  

 $\frac{x}{x+3}$  

 $\frac{x}{x-3}$  

 $\frac{x+6}{x-3}$  

 $\frac{x}{x+6}$  

 $\frac{x-1}{x+7}$  

 $\frac{x+1}{x+7}$  

 $\frac{x-1}{x-7}$  

 $\frac{x+1}{x-7}$  

It is the reverse process of multiplication.

Fraction which numerator and denominator are polynomials

Fraction which numerator and denominator are whole numbers

It cannot be factored using only integers

 $1$ 

 $\frac{x+4}{x^2-16}$ 

 $\frac{1}{x-4}$ 

 $\frac{1}{x+4}$ 

 $x^2$  

 $\frac{3x}{x\ +\ 3}$  

1

 $\frac{3x}{3x}$  

rational expression

not rational expression

0

-3

4

5

-1/2

-1

-2

-4

 $\frac{x-1}{x}$  

 $\frac{x^2+2}{x}$  

 $\frac{x^{\ }+1}{x\ -1}$  

 $\frac{x^{ }+2}{x\ -1}$