Proportional Relationships

Using the graph above, determine the constant of proportionality.

• k = 0
• k = 1
• k = 3
• k = 6

Tags

CCSS.7.RP.A.2B

Determine which equation does NOT represent a proportional relationship.

• y = -2x
• y = 1/2 x
• y = 3x
• y = 5x - 7

Tags

CCSS.7.RP.A.2C

Using the table above, determine the equation of the line.

• y = 5x
• y = 10x
• y = 1/5 x
• y = 1/10 x

Tags

CCSS.5.OA.B.3

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p
• c = 3.5p
• p = .29c
• p = 3.5c

Tags

CCSS.7.RP.A.2C

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs
• 12 lbs
• 84 lbs
• 252 lbs

Tags

CCSS.7.RP.A.2D

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

What is the constant of proportionality based on the table above?

• 1/75
• 75
• 1
• 0

Tags

CCSS.7.RP.A.2B

Sherry can buy 4 pounds of oranges for $18.  Write the equation to represent the cost, y, for x oranges.

• y = 4.5x
• y = 72x
• y = 2/9 x
• y = 4x

Tags

CCSS.7.RP.A.2C

The time in hours, h, it takes to hike in miles, m, is displayed in the graph above.  What is the constant of proportionality? 

• 1
• 2
• 5/6
• 6/5

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Tags

CCSS.5.OA.B.3