Constants of Proportionality

What is the unit rate in this proportional relationship?

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

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

• Proportional
• Not Proportional

Which graph is non-proportional?

• A
• B
• C
• D

Which graph is non-proportional?

• A
• B
• C
• D

Which graph is non-proportional?

• A
• B
• C
• D

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Is this table proportional?

• Yes
• No

Is this graph proportional?

• Yes
• No

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.