Graphing Proportional Relationships

What qualities must a graph have in order for it to be proportional? (Select ALL that apply)

• Must cross through the Origin, point (0,0)

• Must always be positive

• Must be a line

• Must be a straight line; has to be linear

Tags

CCSS.7.RP.A.2D

State whether the graph is proportional or non-proportional.

• Proportional

• Non-proportional

Tags

CCSS.7.RP.A.2D

What makes a graph between two quantities proportional?

• It makes a straight line.

• The line goes through (0,0)

• It makes a curved line.

• It makes a straight line and passes through (0,0).

Tags

CCSS.7.RP.A.2D

State whether the graph is proportional or non-proportional.

• Proportional

• Non-proportional

Tags

CCSS.7.RP.A.2D

What do you notice about the graph?

(Click on the graph to enlarge the image.)

Tags

CCSS.7.RP.A.2D

The graph represents the number of laps a car drove around a track compared to the number of minutes.

How many laps did the car do in 6 minutes?

(Click the graph to enlarge the image.)

• 2 laps

• 6 laps

• 4 laps

• 9 laps

Tags

CCSS.7.RP.A.2D

What is the unit rate in miles per hour for this proportional relationship?

(Click the graph to enlarge the image.)

• 60 miles per hour

• 120 miles per 2 hours

• 1 mile per hour

• 60 miles per 2 hours

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality (unit rate) of the speed of the sloth based on the graph?

(Click the graph to enlarge the image.)

• 1 minute per 6 feet

• 6 feet per minute

• 1 minute per 3 feet

• 3 feet per minute

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?

(Click the graph to enlarge the picture.)

• The graph is proportional because it is a straight line.

• The graph is proportional because it is a straight line that 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 a straight line and it does not pass through the origin.

Tags

CCSS.7.RP.A.2D

The graph represents the number of words Taylor can type over a certain number of minutes. Which of the following statements is true?

(Click the graph to enlarge the image.)

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

Tags

CCSS.7.RP.A.2D