Add & Subtract Rational Expressions

Simplify

• (x-9)/(x+9)
• 1/(x-9)
• (x+9)
• 1/(x+9)

Tags

CCSS.HSA.APR.D.6

Subtract  $\frac{8}{n-1}-\frac{4n}{n+3}$  

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.7

Add  $\frac{4}{x+8}+\frac{3}{x-5}$  

• (7x+3) / (x-5)(x+8)

• (2x+3) / (x-5)(x+8)

• (2x+4) / (x-5)(x+8)

• (7x+4) / (x-5)(x+8)

Tags

CCSS.HSA.APR.D.7

To add or subtract rational expressions we must have a _____________>

• greatest common factor
• common denominator
• calculator
• proportion

Tags

CCSS.HSA.APR.D.7

Add $\frac{2}{x-3}+\frac{3}{x+2}$  

•  $\frac{5x-5}{\left(x-3\right)\left(x+2\right)}$  

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

•  $\frac{5}{x-1}$  

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

Tags

CCSS.HSA.APR.D.7

 $\frac{u-v}{8v}+\frac{6u-3v}{8v}$  

•  $\frac{7u-4v}{16v}$  

•  $\frac{7u-4v}{8v}$  

•  $\frac{7u+2v}{8v}$  

•  $\frac{7u+2v}{16v}$  

Tags

CCSS.HSA.APR.D.7

Subtract  $\frac{6}{x-1}-\frac{5x}{4}$  

•  $\frac{11x}{4\left(x-1\right)}$  

•  $\frac{1x}{4\left(x-1\right)}$  

•  $\frac{6-5x}{4\left(x-1\right)}$  

•  $\frac{-5x^2+5x+24}{4\left(x-1\right)}$  

Tags

CCSS.HSA.APR.D.7

Subtract  $\frac{5}{x}-\frac{4}{x}$  

•  $\frac{9}{x}$  

•  $\frac{1}{x}$  

•  $\frac{1}{x^2}$  

•  $\frac{9}{x^2}$  

Tags

CCSS.HSA.APR.D.7