Unit 2A Review Guide

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

 $pV=nRT$  solve for R

•  $R=\frac{pV}{nT}$  
  

•  $R=\frac{p}{n}+\frac{V}{T}$  
  

•  $R=pV-nT$  
  

•  $R=\frac{\left(pV-n\right)}{T}$  
  

Solve for d
$C\ =\ \pi d$

• $C\ -\ \pi=d$

• $C\ +\ \pi=d$

• $\pi C=d$

• $\frac{C}{\pi}=d$

Tags

CCSS.HSA.CED.A.4

Simplify each equation. Tell whether the equation has one solution, no solutions, or infinitely many solutions.

 $3x-7=3(x-3)+2$  

• One Solution

• No Solutions

• Infinitely Many Solutions

Solve:

 $2x+1=2x-1$  

• No Solution

• x = 0

• Infinitely Many Solutions

Solve for x:

2x - 3 + 4x = 27

• x = 12

• x = 4

• x = 5

• x = 15

Tags

CCSS.8.EE.C.7B

Solve for x:

2x -1(3+4x) = 11

• x = -4

• x = 7/3

• x = -7

• x = -17/8

Tags

CCSS.8.EE.C.7B

Solve:

 $7(x+3)<5x+13$  

•  $x>-4$  
  

•  $x<17$  
  

•  $x<-4$  
  

•  $x>-17$  
  

Solve:

 $6x+10>5x-12$  

•  $x>2$  
  

•  $x<2$  
  

•  $x<-22$  
  

•  $x>-22$  
  

Solve and match the graph of the inequality.

 $16+4n<7n-2$  

• A

• B

• C

• D