Unit 2 Quiz review

Does the table represent a proportional relationship?

• Yes.
• No.

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

A proportional relationship can be written as an equation in the form
____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Which of these is a unit rate?

• 15 feet per 3 seconds

• 100 miles per hour

• $64 per 5 bags of kiwis

• $1.50 per 2 bottles

Which of these statements are proportional?

How do you find the constant of proportionality from a table?

How do you find the constant of proportionality from an equation?

A job pays $56 for 8 hours of work.  How much money does the job pay per hour?

• $7 per hour
• $8 per hour
• $6 per hour
• $7.50 per hour

How do you find k? 

• x/y
• y/x
• y=kx
• x ⋅ y