Proportional Ratios Using Graphs

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

What is the unit rate?

• 10

• 5

• 1

• 2

Which of the following ordered pairs represents the unit rate?

• (1, 2)

• (2, 1)

• (5, 10)

• (10, 5)

Which of the following ordered pairs represents the unit rate?

• (0.50, 1)

• (2, 1)

• (1, 0.50)

• (1, 2)

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

What is the constant of proportionality of the graph?

• k=5

• k= 2

• k = 1/5

• k = 1/10

What is the unit rate for the graph?

• 4

• 8

• 2

• 12