Determining Proportionality from a Graph

Determine the constant of proportionality of this graph.

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Linear

• The line is only in quadrant 1

• Curvy line

• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D

Does the graph represent a proportional relationship?

• yes

• no

Tags

CCSS.7.RP.A.2D

Amber recorded the prices of candy, based on weight, from two different stores in the table and graph. Which company has the cheaper price per pound? 

• There is not enough information to determine the price per pound.

• Carmine's Candy has the cheaper price per pound.

• Both candy stores have the same price per pound.

• Sam's Candy Shoppe has the cheaper price per pound.

Tags

CCSS.7.RP.A.2D

Philip wants to replace his existing fence. He received a quote from a general contractor based on the graph below. The graph shows the cost of a new cedar fence based on the number of feet. What is the unit rate of the graph?

• $1 per foot

• $20 per foot

• $10 per foot

• $5 per foot

Tags

CCSS.7.RP.A.2D

Store A and store B are each running specials in their stores.
The equation below represents the amount of a discount for an item that costs x dollars at store A.
y = 0.2x
The graph represents the amount of a discount for an item that costs x dollars at store B. Which store is offering the greater discount?

• Store A is offering the greater discount.

• Store A and store B are offering the same discount.

• Store B is offering the greater discount.

• There is not enough information to determine the amount of the discount.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the constant of proportionality? Remember to simplify your answer.

• m = 9/3

• m = 6

• m = 9

• m = 3

• m = 1

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality? Remember to simplify your answer.

• m = 9

• m = 10

• m = 90

• m = 10/9

• m = 1

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• 3 feet per minute

• 6 feet per minute

• 1 minute per 3 feet

• 1 minute per 6 feet

Tags

CCSS.7.RP.A.2D

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.HSF.LE.B.5