Direct Variation

y varies directly with x. If y = 10 and x = 2, what is the constant of proportionality?

• 10

• 2

• 5

• 1/5

y varies directly with x. If y = 20 and x = 5, what is the constant of proportionality?

• 20

• 5

• 4

• 1/4

y varies directly with x. If y = 50 and x = 5, what is the constant of proportionality?

• 50

• 5

• 10

• 1/10

y varies directly with x. If y = 2 and x = 6, what is the constant of proportionality?

• 2

• 6

• 3

• 1/3

Does the following represents direct variation?

• Yes

• No

Does the following represents direct variation?

• Yes

• No

Does the following represents direct variation?

• Yes

• No

Does the following represents direct variation?

• Yes

• No

Select all the equations that represent a direct variation:

• 
• 
• 
• 

Does the following table represent direct variation?

• Yes

• No