Read Proportional Graphs

Which graphs are proportional? Select all.

• A

• B

• C

• D

What is the constant of proportionality? Remember to simplify your answer.

• k=9/3

• k=6

• k=9

• k=3

• y=1

What is the constant of proportionality? Remember to simplify your answer.

• k=5

• k=6

• k=30

• k=1

What is the constant of proportionality? Remember to simplify your answer.

• k=9

• k=10

• k=90

• k=10/9

• k=1

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.

• The graph is proportional because it is linear and passes through the origin.

• The graph is not proportional because it does not pass through the origin.

• The graph is not proportional because it is not linear and it does not pass through the origin.

What does the ordered pair (20, 3000) represent?

• The machine folds 3,000 sheets in 20 minutes.

• The machine folds 20 sheets in 3,000 minutes.

• There are 3,000 sheets in 20 minutes.

• There are 20 sheets in 3,000 minutes.

Which graph shows a proportional relationship between x and y? (a)  

• A

• B

• C

• D

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

Mathematical Equivalence

ON

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional