Online Self-Tests(PA8)

• 
  

  1. Use the equation below. What is the value of x?

  1

  +

  x

  =

  –1

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  2. Use the equation below. What is the value of x?

  2(1

  +

  x)

  =

  2

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  3. Use the equation below. What is the value of x?

  1	+	1	x	=	–1
  		2

  ---

  (1 point)

  
  

  Answer:

  ---
• 
  

  4-6. Use the graph below. What are the unknown values in the table?

  
  

  x		2
  y	2		6

  ---

  (1 point each)

  
  
• 
  

  7-9. Use the graph below. What are the unknown values in the table?

  
  

  x		12
  y	9		21

  ---

  (1 point each)

  
  
• 
  

  10-12. Use the graph below. What are the unknown values in the table?

  
  

  x		3	9
  y	8

  ---

  (1 point each)