Illustrative Math Constant of Proportionality

y=kx. What does the k represent?

• constant of proportionality

• origin

• circumference

• divisor

Which best describes the table?

• proportional

• non-proportional

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional

Is this table proportional?

• Yes
• No

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

What is the constant of proportionality?

• $3
• $4
• $2
• $9

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

• x , y

• y , x

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

• x
• y
• 1/2
• 2

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No