Operating with rational functions and numbers

 $\frac{8x}{x+1}-\frac{10x}{x+1}$  

•  $\frac{-80x^2}{x^2+2x+1}$  

•  $\frac{2x^2}{x+1}$  

•  $\frac{18x}{x+1}$  

•  $\frac{-2x}{x+1}$  

Tags

CCSS.HSA.APR.D.7

 $\frac{5x}{x-6}+\frac{1}{x-6}$  

•  $\frac{5x+1}{x-6}$  

•  $\frac{6x}{x-6}$  

•  $\frac{5x}{x-6}$  

•  $\frac{6x}{2x-12}$  

Tags

CCSS.HSA.APR.D.7

 $\frac{13}{2x-5}-\frac{5}{2x-5}$  

•  $\frac{18}{2x-5}$  

•  $\frac{8}{2x-5}$  

•  $\frac{65}{4x^2-20x+25}$  

•  $\frac{7}{4x-10}$  

Tags

CCSS.HSA.APR.D.7

Multiply the following:

 $\frac{3}{x-1}\cdot\frac{4}{x-1}$  

•  $\frac{12}{\left(x-1\right)\left(x-1\right)}$  

•  $\frac{7}{\left(x-1\right)\left(x-1\right)}$  

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

•  $\frac{7}{2x-2}$  

Tags

CCSS.HSA.APR.D.7

Find the product.

• 9/24
• 9/28
• 6/32
• 1/28

1/3 x 2/5

• 3/8

• 1/2

• 2/15

• 1/15

Which of these is the reciprocal of

 $-\frac{13}{3}$ ?

•  $-\frac{13}{3}$  

•  $\frac{13}{3}$  

•  $\frac{3}{13}$  

•  $-\frac{3}{13}$  

What is the recriprocal of 4/5

• 4/5
• 5/4
• 5/1
• 1/5