Proportional Relationships

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.
• The table is proportional and the unit rate is 1/13
• The table is proportional and the unit rate is 13.
• The table is not proportional because it doesn't pass through the origin.

Tags

CCSS.7.RP.A.2A

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

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 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

Jacob mixed 8 cups of flour with 2 cups of water to make pizza dough.  To represent the relationship between the number of cups of flour, f, and the number of cups of water, w, needed to make the same pizza dough, Jake wrote the equation
f = ____ w
What should be placed in the blank?

• 1/4
• 8
• 2
• 4

Tags

CCSS.7.RP.A.2B

Determine the unit rate from the table above given the distance in leagues, x, and the distance in miles, y.

• k = 1/3
• k = 3
• k = 6
• k = 1

Tags

CCSS.7.RP.A.2B

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Which graph is non-proportional?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

Tags

CCSS.7.RP.A.2B