Unit 8 Lessons 1-3 Operations on Rational Expressions

20x³/(5x+10)

• A.4x³/(x+2)
• B.4x³/(x+10)
• C.2x³/(5x+1)
• D. 2x³/(x+5)

Simplify by cancelling

• 1
• -1
• Can't be simplified

Simplify.

• A.
• B.
• C.
• D.

Simplify
(x²-49)/(x²+9x+14)

• (x-7)/(x+2)
• (x+7)/(x+2)
• (x-7)/(x-2)
• (x+7)/(x+2)

Which of the following is equivalent?
(7-m)

• (m-7)
• -(m+7)
• -(7+m)
• -(m-7)

Simplify. 

• (x+6)/(x+4)
• (x+6)(x+4)
• (x+6)
• (x+6)/(x-5)

Simplify

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

Simplify.

• 2p
• p/2
• 2/p
• 4p

State domain restriction

• x≠-6
• x≠-6, 3
• x≠3
• x≠-18

 $Simplify:\ \ \frac{x^2+6x-7}{x^2-49}$  

•  $\frac{x-1}{x+7}$  

•  $\frac{x+1}{x+7}$  

•  $\frac{x-1}{x-7}$  

•  $\frac{x+1}{x-7}$