Comparing Functions (Grade 8)

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Comparing Functions

1. 
Which equation below has a larger rate of change than this graph? Graph - Linear Function y=-2x
  1. [math]y=-1/3x[/math]
  2. [math]y=1/2x[/math]
  3. [math]y=-1/5x-3[/math]
  4. [math]y=9/2x[/math]
2. 
Which equation below has a greater rate of change than this graph? Graph - Linear Function y=2x
  1. [math]y=1/2x[/math]
  2. [math]y=3/2x+5[/math]
  3. [math]y=3x-2[/math]
  4. [math]y=-3/4x[/math]
3. 
Which equation below has a smaller rate of change than this graph? Graph - Linear Function y=-1/2x
  1. [math]y=-1/3x[/math]
  2. [math]y=-3x[/math]
  3. [math]y=-5/2x-3[/math]
  4. [math]y=-8x[/math]
4. 
Which equation below has a larger rate of change than this graph? Graph - Linear Function y=1/2x
  1. [math]y=-1/3x[/math]
  2. [math]y=3x[/math]
  3. [math]y=-1/5x-3[/math]
  4. [math]y=2/9x[/math]
5. 
Jenny saves $2 from every hour she works to put into a savings account. Which graph below represents this situation?
  1. Graph - Linear Function y=2x
  2. Graph - Linear Function y=-1/2x
  3. Graph - Linear Function y=1/2x
  4. Graph - Linear Function y=-2x
6. 
A sales company gets an average of 1 new customer every 2 days. Which graph below represents this situation?
  1. Graph - Linear Function y=-x
  2. Graph - Linear Function y=-1/2x
  3. Graph - Linear Function y=1/2x
  4. Graph - Linear Function y=-2x
7. 
Fill in the table with the following values:

[math]{(-1, 2), (0, 3), (1, 4)}[/math]

Which algebraic equation gives the correct rule for the table?
Function Table - 3 Rows
  1. [math]y = 4x[/math]
  2. [math]y = 3x[/math]
  3. [math]y = x + 4[/math]
  4. [math]y = x + 3[/math]
8. 
Fill in the table with the following values:

[math]{(1, 5), (2, 8), (3, 11), (4, 14), (5, 17)}[/math]

Which algebraic equation gives the correct rule for the table?
Function Table - 5 Rows
  1. [math]y = x + 2[/math]
  2. [math]y = 2x + 1[/math]
  3. [math]y = 2x + 3[/math]
  4. [math]y = 3x + 2[/math]
9. 
Fill in the table with the following values:

[math]{(-4, -2), (-2, -1), (2, 1), (4, 2)}[/math]

Which algebraic equation gives the correct rule for the table?
Function Table - 4 Rows
  1. [math]y = 2x[/math]
  2. [math]y = 4x[/math]
  3. [math]y = 1/2x[/math]
  4. [math]y = 1/4x[/math]
10. 
Fill in the table with the following values:

[math]{(-2, 14), (-1, 7), (0, 0),(1, -7), (2, -14)}[/math]

Which algebraic equation gives the correct rule for the table?
Function Table - 5 Rows
  1. [math]y = -7x[/math]
  2. [math]y = 7x[/math]
  3. [math]y = x + 7[/math]
  4. [math]y = x - 7[/math]

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