Proportional relationships

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Is this table proportional?

• yes
• no
• I'm not sure, I need extra help!

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $300 is earned after working 4 hours

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

What does k represent in the equation y = kx?

• independent variable
• constant of proportionality
• dependent variable
• krispy kreme

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

The equation y = 3x represents a proportional relationship. The value of y when x= 7 is __________

• 21
• 7
• 10
• 4

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x
• Yes;  y=3x
• Yes;  y=5x 
• No