Proportional Relationship Graph Table and Equations

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.

Tags

CCSS.7.RP.A.2D

Determine if the table above is proportional and how do you know?

• The table is proportional because the unit rate is a constant 0.33.

• The table is proportional because it passes through the origin.

• The table is proportional because the unit rate is a constant 0.28

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

Tags

CCSS.7.RP.A.2A

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16

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

• unit rate

• ratio rate

• proportion answer

• rational number

Tags

CCSS.7.RP.A.2B

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

Tags

CCSS.7.RP.A.2D

Which graph is non-proportional?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

Tags

CCSS.7.RP.A.2D

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Tags

CCSS.5.OA.B.3

What is the formula for a proportional relationship?

• y=kx

• y=k/x

• z=ykx

• y=ky

Tags

CCSS.7.RP.A.2C

Which graph matches the table?

• A

• B

• C

• D