Q1W3D1 - (Pre) Simplifying Rational Expressions

 $\frac{3x+2}{-2x+8}$  Is this a rational expression?

• Yes

• No

 $\sqrt{a^2+b^2}$  Is this a rational expression?

• Yes

• No

 $\frac{8a^2c}{-4ac^2}$  Simplify

•  $-\frac{2a^2}{c^2}$  

•  $-2ac$  

•  $-\frac{2a}{c}$  

 $\frac{15x-5}{5x+25}$  

Simplify

•  $\frac{x+5}{3x-1}$  

•  $\frac{3x-1}{x+5}$  

•  $\frac{5\left(3x-1\right)}{5\left(x+5\right)}$  

 $\frac{x^2+x-6}{x^2-4}$  

Simplify:

•  $\frac{x+3}{x+2}$  

•  $\frac{x+3}{x-2}$  

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