Proportional Relationships

Does the table represent a proportional relationship?

• yes
• no

Does the table represent a proportional relationship?

• yes
• no

Does the table represent a proportional relationship?

• yes
• no

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

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

• y
• x
• 14
• 1/14

The equation y=6.5x represents a proportional relationship. What is the constant of proportionality?

• x
• 1/6.5
• 6.5
• y

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x
• Yes;  y=3x
• Yes;  y=5x 
• No

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

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

• Proportional
• Not Proportional