Proportional and Non-proportional Review

Which equation represents a proportional relationship?

• y= x+ ⅓

• y= 1 - ⅓x

• y= 3x + ⅓

• y=⅓x

Tags

CCSS.7.RP.A.2C

A class is taking a trip to the aquarium. The teacher has received only 2 permission slips for every 5 students in the class. Use the graph. Which line represents the problem situation?

• y₁

• y₂

• y₃

• y₄

Tags

CCSS.7.RP.A.2D

Which line represents a proportional relationship?

• y₁

• y₂

• y₃

• y₄

Tags

CCSS.7.RP.A.2D

Which statement can you use to conclude that the relationship must be non-proportional?

• The graph of the relationship is linear.

• The y-intercept of the graph of the relationship is (0, 1).

• The relationship has a constant rate of change.

• The equation of the relationship is in the form y = kx.

Tags

CCSS.7.RP.A.2D

The ratio of boys to girls at a school dance is shown in the graph. Which equation has a greater rate of change than the rate shown in the graph?

• y =⅕ x

• y =⅛ x

• y =⅖x

• y =⅔ x

Tags

CCSS.7.RP.A.2D

A bird-watcher estimates the number of songbirds to the number of birds of prey he will see on a bird-watching trip. His predictions are shown in the graph. what is the rate of change of the graph?

• 1/4

• 2/7

• 7/2

• 4/1

Tags

CCSS.7.RP.A.2D

The line y=5 x is transformed to create the line y =-1/2x - 1. Which of the following may be used to describe the transformation? Select all that apply.

• All x-values are opposites of half the original x-values

• The graph is reflected across the y-axis, moved 1 unit down, and the rate of change is halved.

• The graph is reflected across the y-axis, moved 1 unit down, and the rate of change is tripled

• The graph is reflected across the y-axis, moved 1 unit down, and the rate of change is doubled.

Tags

CCSS.8.F.B.4

CCSS.8.G.A.1

CCSS.8.G.A.3

Which statement is always true?

• A linear relationship is proportional.

• A linear relationship is non-proportional.

• A proportional relationship contains the point (0, 0).

• A non-proportional relationship has a constant rate of change.

Tags

CCSS.7.RP.A.2D

Which statement correctly describes the relationship represented by the graph?

• The relationship is linear and proportional.

• The relationship is linear and non-proportional.

• The relationship is non-linear and proportional

• The relationship is non-linear and non-proportional.

Tags

CCSS.7.RP.A.2D

Consider the graph shown. Which of the following does not represent the rate of change found when using similar triangles? Select all that apply

• 1/2

• 2/4

• -1/2

• -1/4

Tags

CCSS.7.RP.A.2D