Topic 2 Review; 7th grade

The equation y=5.5x represents a proportional relationship. What is the constant of proportionality?

• x

• y

• 5.5

Tags

CCSS.7.RP.A.2B

The table shows the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements.

Are the number of white and yellow flowers in Cara's arrangement proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2A

The table shows the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements.

Which equation relates the number of yellow flowers to the number of white flowers in Cara's arrangement.

• y=5x

• y=3x

Tags

CCSS.5.OA.B.3

The table shows the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements.

Are the number of white and yellow flowers in Hector's arrangement proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2A

The graph shows how many bottles a machine fills in a certain number of seconds. What is the constant of proportionality. Just write the number, do not include units.

(a)  

Tags

CCSS.7.RP.A.2B

The graph shows how many bottles a machine fills in a certain number of seconds. What does the constant of proportionality represent?

• We can't determine from the information given.

• 20 bottles

• 1 bottle per 20 seconds

• 20 bottles per second

Tags

CCSS.7.RP.A.2D

Tags

CCSS.7.RP.A.1

Sarah used 2.5 cups of cheese in a dish that serves 10 people. Arun used 1.6 cups of cheese in a dish that serves 8 people. How much more cheese is in one serving of Sarah's dish?

• 0.5 cups

• 0.25 cups

• 0.2 cups

• 0.05 cups

Tags

CCSS.7.EE.B.3

A garden hose fills a 2-gallon bucket in 5 seconds. The number of gallons, g, is proportional to the number of seconds, t, that the water is running. Select all the equations that represent the relationship between g and t.

Tags

CCSS.7.RP.A.2C

Tags

CCSS.7.RP.A.1