Sets, Expressions, Order of Operations

Evaluate

 $2a-b$  when a=12 and b=7

• 17

• 2

• 31

• 26

Tags

CCSS.6.EE.A.2C

Solve

 $ab\ \ \left(when\ a=\frac{1}{2},\ and\ b=\frac{3}{4}\right)$  

•  $\frac{3}{8}$  

•  $\frac{5}{4}$  

•  $\frac{6}{4}$  

•  $\frac{4}{6}$  

Tags

CCSS.5.NF.B.6

The algebraic expression "1.5x" gives the total length of shelf space needed in inches for x encyclopedias. Find the length of shelf space needed for 30 encyclopedias.

• 45 in.

• 30 in.

• 15 in.

• 60 in.

Tags

CCSS.6.EE.B.6

Write the set in roster form.

 $\left\{x\parallel x\ is\ an\ interger\ between\ -3\ and\ 3\right\}$  

(a)  

What form is the set listed in?

 $\left\{4,8,12,16,20\right\}$  

• Roster Form

• Set Builder Notation

What form is the set in?

 $\left\{x\parallel x\ is\ a\ school\ inside\ simpson\ county\right\}$  

• Set Builder Notation

• Roster Form

Write the set in set builder notation.

 $\left\{51,52,53,54,55,...\right\}$  

(a)  

Is the statement true?

 $0\in\left\{x\parallel x\ is\ a\ natural\ number\right\}$  

• True

• False

Statement true or false?

 $\left\{3,9\right\}\subseteq\left\{3,4,5,6,7,8,9,10,11,12\right\}$  

• True

• False

Evaluate the expression.

 $\left(-\frac{1}{4}\right)^4$  
Write your answer in fraction form. (use the slash key "/")

(a)  

Tags

CCSS.8.EE.A.1