Exploring Tables of Proportional Relationships

What is the dependent variable?

• number of classes

• number of people

• the cost

• figure 1.

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

The table shows the amount of time Abigail works and the amount of money she earns. What is the missing value in the table?

If the relationship in the table is proportional, write its equation.

• The relationship is not proportional

If the relationship in the table is proportional, write its equation.

• The relationship is not proportional

Using the data in the table above, how much does 1 gallon of gas cost?

• $3.50

• $4.00

• $4.50

• $5.00

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

Does the table show a proportional relationship? If so, what is the constant rate of change?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

What is the constant rate of change?

• 45 mph

• 90 mph

• 135 mph

• 2 mph

If the relationship in the table is proportional, write its equation.

• The relationship is not proportional