Unit 2, Lessons 4-6 Review

What is the equation for a proportional relationship?

• x=ky

• k

• y=kx

• y=k/x

In the equation y=kx; which variable represents the constant of proportionality?

• y

• k

• x

• none of them do

A recipe says that 2 cups of dry rice will serve 4 people. Complete the table on your worksheet then answer the question.

How many people will 1 cup of rice serve?

• 1/2

• 2

• 4

• 1

A recipe says that 2 cups of dry rice will serve 4 people. Complete the table on your worksheet then answer the question.

How many people will 3 cups of rice serve?

• 3

• 5

• 6

• 2

A recipe says that 2 cups of dry rice will serve 4 people. Complete the table on your worksheet then answer the question.

How many people will 12 cups of rice serve?

• 12

• 2

• 6

• 24

A recipe says that 2 cups of dry rice will serve 4 people. Complete the table on your worksheet then answer the question.

How many people will 43 cups of rice serve?

• 86

• 43

• 2

• 80

A recipe says that 2 cups of dry rice will serve 4 people. Complete the table on your worksheet then answer the question.

How many people will x cups of rice serve?

• 4x

• 2x

• 1x

• 3x

A bakery uses 4 tablespoons of honey for every 5 cups of flour to make bread dough. Some days they bake bigger batches and some days they bake smaller batches, but they always use the same ratio of honey to flour.

Complete the table on your worksheet then select the answer that correctly fills in the table.

• 1.5, 12, 37.5, 1.5h

• 1.25, 10, 37.5, 1.25h

• 4, 24, 120, 4h

• 2, 9, 31, 2h

A bakery uses 4 tablespoons of honey for every 5 cups of flour to make bread dough. Some days they bake bigger batches and some days they bake smaller batches, but they always use the same ratio of honey to flour.

If f is the cups of flour needed for h tablespoons of honey, write an equation that relates f and h.

• y=kx

• f=kh

• f=1.5h

• f=1.25h

• f=1h

A bakery uses 4 tablespoons of honey for every 5 cups of flour to make bread dough. Some days they bake bigger batches and some days they bake smaller batches, but they always use the same ratio of honey to flour.

How much flour is needed for 15 tablespoons of honey?

• 16

• 18.75

• 1.25

• 18.5