Expressions, Equations, & Inequalities Test Review (M7 3/22)

Find Leon's mistake:

• Step 1
• Step 2
• Leon didn't make a mistake.

Tags

CCSS.HSA.REI.A.1

Which expression or expressions are equivalent to:

 $-3(3m-4)+4m$  

• Only  $-5m+12$  

• Only  $-9m+12+4m$  

• Both 

• Neither

Tags

CCSS.6.EE.A.4

Solve:

 $\frac{h}{-6}+3=8$  

•  $h=30$  
  

•  $h=-30$  
  

•  $h=66$  
  

•  $h=-66$  
  

Tags

CCSS.7.EE.B.4A

Solve for k:

 $8-k=-11$  

•  $k=19$  
  

•  $k=-19$  
  

•  $k=3$  
  

•  $k=-3$  
  

Tags

CCSS.6.EE.B.7

Solve the inequality:

 $4≤x+8$  

•  $x≤12$  
  

•  $x≥-12$  
  

•  $x≤-4$  
  

•  $x≥-4$  
  

Tags

CCSS.7.EE.B.4B

Tags

CCSS.7.EE.B.4B

Tags

CCSS.7.EE.B.4B

Tags

CCSS.7.EE.B.4B

Joey Chestnut is trying to break his own world record for eating the most hot dogs and buns in 10 minutes. He needs to eat more than 72 hot dogs to break his record. After 1 minute of competition, Joey has eaten 10 hot dogs. Joey wants to know the number of hot dogs per minute that he needs to eat for the next 9 minutes to break his own record. Let d represent the number of hot dogs Joey eats per minute. Which inequality shows the number of hot dogs per minute Joey must eat for the last 9 minutes to break his record?

• $9d+10<72$

• $9d+10>72$
  

• $9d-10>72$
  

• $9d-10<72$
  

Solve for g:
 $-\frac{11}{2}=\frac{g}{-2}+\frac{1}{4}$  

•  $g=\frac{4}{9}$  

•  $g=\frac{11}{2}$  

•  $g=\frac{23}{2}$  

•  $g=\frac{7}{12}$  

Tags

CCSS.7.EE.B.4A