Units 3 & 4 Review

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion.

• k=5
• k=45
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• 1/14

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for this table?

• $1/9 per hour
• $9 per hour
• $8 per hour

Tags

CCSS.7.RP.A.2B

Are the rates below proportional?

 $\frac{19\ dollars}{2\ lbs}\ \ \ \ \frac{76\ dollars}{8\ lbs}$  

• Yes. They both have a unit rate of $9.50/1 lb

• Yes. They both have a unit rate of $19/2 lbs. 

• No, they have different unit rates. 

Tags

CCSS.6.RP.A.3A

Calculate the rate of change for the values in the table.

• No constant rate of change.

• $80 per month.

• $45 per month.

• $41 per month

Tags

CCSS.HSF-LE.A.1B

What is the Constant of Proportionality for this table? Remember,

 $k\ =\ \frac{y}{x}$  

• k = 10

• k = 1

• k = 3

• k =1

Tags

CCSS.7.RP.A.2B

Determine k in the graph shown.

• k = .50

• k = 2

• k = 1

• k = 1.5

Tags

CCSS.8.EE.B.5

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate?

• 
• y = x + 25 ; where x represents the time in hours and y represents the distance in kilometers

• 
• In 5 hours a dolphin can travel a distance of 135 kilometers.

Tags

CCSS.8.EE.B.5

A recipe says to use 3 cups of flour to make 48 cookies. The constant rate of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x, is ______.

• 16

• 3/48

• 12

• 8

Tags

CCSS.7.RP.A.2B