Polynomials and Rational Expressions

• A
• B
• C
• D

Simplify 

• A.(x+7)/(x-4)
• B.-3/4
• C.(x+3)/(x+4)
• D.(x+3)/(x-4)

• a
• b
• c
• d

When the denominator of a rational expression is 0, the expression is ______.

• DEFINED

• UNDEFINED

• UNIDENTIFIED

What value(s) make the expression undefined?

• x = - 3 and x = 4
• x = 3 and x = - 4
• x = 3 only
• x = - 4 only

• A
• B
• C
• D

Simplify the expression

• 6x / 20xy
• 3 / 10y
• (6x+1) / (20xy)
• 3 / 20xy

• A
• B
• C
• D

Simplify: (x^2 + 2x - 8)/(x-2)

• x-8

• x+4

• x-2

• x+6