RATIONAL EXPRESSIONS QUIZ

Is this a rational expression?

 $5x+2$  

• YES

• NO

Is this a rational expression?

 $\frac{\text{}x^2+3x+2}{\left(x+1\right)\ }$  

• YES 

• NO 

Simplify this rational expression:

 $\frac{\left(x+2\right)}{\left(x-1\right)\ \left(x-3\right)\ }$  

• Does not simplify 

• 1

•  $\frac{\left(x+2\right)}{\left(x-1\right)\ }$  

•  $\frac{\left(x+2\right)\ }{\left(x-3\right)\ }$  

Simplify this rational expression:

 $\frac{x^2+2x-15}{\left(x+5\right)\left(x+7\right)}$  

•  $\frac{\left(x-3\right)}{\left(x+7\right)}$  

•  $\frac{\left(x+5\right)}{\left(x+7\right)}$  

•  $\frac{\left(x-3\right)}{\left(x+5\right)}$  

• Does not simplify 

Simplify.

• 1/(n-7)
• n-7
• (n-6)/(n-7)
• n-6

Divide

• 1/6

• x+10/ 6x+60

• x+8/ 6x+60

• (x+10)(x+8)/ 6x+60

Divide the Rational Expression

• A

• B

• C

• D

Simplify. 

• (x+6)/(x+4)
• (x+6)(x+4)
• (x+6)
• (x+6)/(x-5)

Simplify.

• $\frac{x-9}{x+9}$

• $\frac{1}{x-9}$

• (x+9)

• $\frac{1}{x+9}$

Simplify.

• 1

• -1

• Can't be simplified