Unit 3

Evaluate 8^2/3

• 2

• 3

• 4

• 5

Simplify:

• 2
• 8
• 16
• 32

Rewrite in radical form.

• A
• B
• C
• D

Rewrite the expression without using a radical:

• (2x+1)^3/4
• (2x+1)^4/3
• 4(2x+1)³
• 3(2x+1)⁴

Rewrite the expression without using a radical:

• (x - 1)^3/4
• (x - 1)^4/3
• 3(x - 1)⁴
• 4(x - 1)³

Write the expression in exponential form:
∛(2x)²

• (2x)^2/3
• 2x^2/3
• 2x^3/2
• (2x)^3/2

To undo a square root in an equation, you need to

• multiply both sides by 2

• square both sides

• take the square root of both sides

• divide both sides by 2

Why should you check your answer to a radical equation?

• To make sure you didn't make an error

• To make sure the answer is not extraneous

• Both Options

I can expand  $-n$  as...

•  $-n$  

•  $-1\cdot n$  

•  $1\cdot n$  

•  $n-1$  

Solve:  $\frac{4b^3}{2b}$  

•  $2b^2$  

•  $\frac{4b^2}{2}$  

•  $2$  

•  $\frac{12}{2}$