Ratios and Proportions PRACTICE

How do I find the constant of proportionality (k=?)?

• k = x/y

• k = 2x

• k = y/x

• k = 2y

What is the constant of proportionality for the table above?

• X 2

• X 1/2

• X 3

• None of the above

What is the unit rate in this proportional relationship?

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

Is the graph proportional or non proportional?

• proportional
• non proportional

Which line shows a proportional relationship between x and y?

• Line L
• Line M

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

• Proportional
• Not Proportional

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $60.00
• $63.00
• $6.30
• $62.00

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10