Find Constant of Proportionality from Table

What is the constant of proportionality? 

• 5
• 1/5
• 10
• 2

What is the constant of proportionality? 

• 20
• 4
• 1/5
• 5

What is the constant of proportionality? 

• 6
• 3
• 2
• 1/2

What is the constant of proportionality? 

• 15
• 2/15
• 7.5
• 2

What is the constant of proportionality?

• 4
• 12
• 3
• 1/3

What is the constant of proportionality?

• 7
• 3.3
• 3/10
• 14

What is the constant of proportionality? 

• 12
• 50
• 4
• 12.5

What is the constant of proportionality? 

• 4
• 5
• 1/4
• 20

What is the constant of proportionality? 

• 1/15
• 2
• 30
• 15

What is the constant of proportionality? 

• 4
• 2
• 1/4
• -4