Identifying proportional relationships

Lessons

• 1.
  Is the relationship between the two variables proportional?
  a)

  x	y
  -1	-4
  1	4
  2	8
  3	12

  
  
  b)

  g	h
  0	1
  2	2
  4	3
  6	4

  
  
  c)

  r	t
  -6	-2
  -3	-1
  9	3
  14	4

  
  

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• 2.
  Determine if the relationship between $x$ and $y$ is proportional by graphing.
  a)

  x	y
  -1	0
  1	1
  3	2
  5	3

  
  
  b)

  x	y
  0	0
  3	2
  6	4
  9	6

  
  
  c)

  x	y
  1	2
  2	5
  3	10
  4	17

  
  

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• 3.
  Is the graph showing a proportional relationship?
  a)

  
  
  
  
  
  b)

  
  
  
  
  
  c)

  
  
  
  
  

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