Proportional Relationships Graphed

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/2 hours

• 1 mile/1 hour

Which graphs are proportional?

• A

• B

• C and D

• All of the graphs are proportional

Using the graph above, determine the constant of proportionality.

• 0

• 1

• 3

• 6

Which statements are true for this graph?

• It is a proportional relationship

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• The equation for the line is y = 2x

Is this graph proportional?

• Yes

• No

What is the equation of the line shown on the graph?

• y = 96x + 1

• y = 45x

• y = 47x

• y = 94x + 5

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

Which equation matches the graph?

• y = 60x

• y = 40x

• y = 80x

• y = 20x

Which equation matches the given graph?

• y=0.45x

• y = ²/₅x

• y = 4x

• k = ¼

Which equation shows how much rain falls per hour?

• y = 2x

• y = 3x + 1

• y = -2x

• y = -3x + 1