Read Proportional Graphs

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• 1/14

What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

• The information in the table has a constant rate of change of 3.5.

• The information in the table has a constant rate of change of 2.

• The information in the table has a constant rate of change of 7.

• The information in the table does not have a constant rate of change.

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Is the graph proportional or non proportional?

• proportional

• non proportional

What is the constant of proportionality?

• 8

• 16

• 24

• 2

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37

• $64.75

• $9.25

• $18.50

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional