2-6 Simplifying Rational Expressions

2-6 Simplifying Rational Expressions

Algebra 2

Example 1

 $\frac{5x-10}{5x}$  

Example 2

 $\frac{y^2+3y+2}{y^2-1}$  

Example 3

 $\frac{12z-24}{48z}$  

Multiple Choice

Simplify

• (x-9)/(x+9)

• 1/(x-9)

• (x+9)

• 1/(x+9)

Multiple Choice

Simplify by cancelling

• 1

• -1

• Can't be simplified

Multiple Choice

20x³/(5x+10)

• A.4x³/(x+2)

• B.4x³/(x+10)

• C.2x³/(5x+1)

• D. 2x³/(x+5)

Example 4

 $\frac{x-4}{4-x}$  

 $\frac{a^2-9}{a^2+2a-15}$  

Multiple Choice

(4 - x²) / (x² - x - 2)

• 4 / (-x - 2)
• -2 / (-X - 1)
• -1(x + 2) / (x + 1)

Multiple Choice

Simplify
(x²+6x+8)/(x²-x-6)

• (x+2)/(x-3)
• (x+4)/(x+2)
• (x+4)/(x-3)
• (x+2)/(x+2)

Poll

How do you feel about the covered topic

• I got it coach

• Meh, need more factoring practice

• Izza Clueless