Review R.1-R.3

If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following are subsets of U.

• A = {2, 4}

• B = {13, 7, 9, 11, 5, 3, 1}

• C = {2, 3, 4, 5}

• D = {0}

What type of set is denoted as either { } or ∅?

• Superset

• Empty (or Null) Set

• Disjointed Set

• Subset

Set  Q  contains the letters in the word  SISTER .
 Which of the following is set  Q ?

• Q = { S, T, R }
• Q = { I, E }
• Q = { S, I, S, T, E, R }
• Q = { S, I, T, E, R }

 $\frac{1}{2}+\frac{1}{3}=$  

•  $\frac{2}{5}$  

•  $\frac{1}{6}$  

•  $\frac{1}{3}$  

•  $\frac{5}{6}$  

 $\frac{5}{3}+\frac{13}{6}$  

•  $\frac{23}{6}$  

•  $\frac{18}{9}$  

•  $\frac{18}{6}$  

•  $\frac{31}{6}$  

Multiply

• 5 / 18
• 16 / 15
• 28 / 9
• 4 / 9

x^-3

• -x³

• 1 / x³

• 1 / x^-3

• -x^-3

• 
• 
• 
• 

Simplify

(2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

• A

• B

• C

• D