Simplifying Binomial Rational Expressions

Simplifying Binomial Rational Expressions

Week 26: Tuesday (3/16)

Multiple Choice

Simplify the following expression:

 $\frac{\left(8x+32\right)}{\left(x+4\right)}$  

• 8/(x - 4)

• -x/(x - 4)

• -8

• 8

Multiple Choice

Simplify the following expression:

 $\frac{25x^5y^4}{5x^8y^2}$  

•  $5x^{13}y^6$  
  

•  $\frac{5y^2}{x^3}$  
  

•  $\frac{5x^3}{y^2}$  
  

•  $\frac{y^2}{5x^3}$  
  

Multiple Choice

Simplify the following expression:

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

• 1

• -1

• Can't be simplified

Multiple Choice

Simplify the following expression:

 $\frac{20x^3}{5x+10}$  

•  $\frac{4x^3}{x+2}$  
  

•  $\frac{4x^3}{x+10}$  
  

•  $\frac{2x^3}{5x+1}$  
  

•  $\frac{2x^3}{x+5}$  
  

Multiple Choice

What is an excluded value?

• A value that makes the denominator (bottom) equal to 0

• A number that makes the numerator (top) equal to 0

• The solution

• An ostracized number

Multiple Choice

What are the excluded value(s) of this rational expression?

 $\frac{3x}{x\left(2x-3\right)}$  

• 0 and 2

• 2 and 3

• 0 and 1.5

• 1.5 and -1.5

Multiple Choice

What are the excluded value(s) of this rational expression?

 $\frac{45}{10a-10}$  

• a = 0

• a = 10

• a = 1

• a = -1

Multiple Choice

What are the excluded value(s) of this rational expression?

 $\frac{32n^2}{24n}$  

• n = 0

• n = 24

• n = -24

• n can be any real number

Multiple Choice

What are the excluded value(s) of this rational expression?

 $\frac{7}{x-3}$  

• 7

• There is not one.

• 3

• 0