7MATH 4.2 Constant Rates of Change

Use the table to select the equation that represents the relationship.

• c=27/t

• c=27t

• t=27/c

• t=27c

Use the table to determine if the relationship is proportional.

• yes

• no

Use the table to write an equation to show the relationship between cost and weight.

• c=4.35w

• c=4.35+w

• c=4.35-w

• c=4.35/w

Use the table to determine if the relationship is proportional.

• yes

• no

Use the table to find determine if the relationship is proportional.

• yes

• no

Use the table to choose an equation for the relationship.

• h=40d

• h=40/d

• d=40h

• d=40/h

The table shows a proportional relationship. Find the constant proportionality, k. Type it as k=___. For example: k=23

The table shows a proportional relationship. There is a typo and the 5 should be a 6. Write an equation that represents the relationship of books and pens. Hint: b= is how you start.

Use the table. Is the relationship proportional?

• yes

• no