Simplifying Rational Expressions with Variables

Which value of x makes the expression undefined?

• -2

• 2

• -6

• -3

Simplify
(8x + 32)/( x+4)

• 8/(x - 4)

• -x/(x - 4)

• -8

• 8

Match the expressions to their simplified form.

Which of the following orders is correct when simplifying expressions with rational exponents?

• Take the root, then the power.

• Take the power, then the root.

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D