proportional relationship after school

What is the unit rate/constant of proportionality?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

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

• Proportional
• Not Proportional

Samantha drives at a rate of 30 mph. Tracy drives at a rate of 60 miles every 2 hours. Who drives faster?

• Samantha

• Tracy

• They drive the same speed per hour

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

Evan bought 5 pounds of bananas for $10. Christy bought 6 pounds of bananas for $9. Who has the better deal?

• Christy

• Evan

What is the unit rate if the rate is 30 laps for 10 minutes.

• 3 laps per minute

• 10 laps per minute

• 15 laps per minute

• 10 laps per two minute

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• y=14

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

Does the table show a proportional relationship?

• Yes
• No

Is this equation y = 14x showing proportionality?

• yes

• no