Proportional Relationship Review

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

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

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

What does m represent in the equation y = mx?

• independent variable
• constant of proportionality/unit rate

• dependent variable

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

Daniel walked 2/5 mile in 1/4 hour. How fast did he walk, in miles per hour?

• 1.25 miles per hour
• 1/10 miles per hour
• 1.6 miles per hour
• 2 miles per hour

The graph shows the number of miles a car has driven over time.

Is the number of miles driven proportional to the amount of time? How do you know?

​ (a)   , I know this because there ​ (b)   and ​ (c)  

• Yes
• is a straight line
• it goes through the origin.
• No
• is a vertical line
• it goes on the graph.

The graph shows the number of miles a car has driven over time.

What does the point (5, 250) mean in the context of the situation?

• To drive 5 miles it takes 250 hours.

• In 5 hours a car can drive 250 miles.

• The top of the graph.

The graph displays the cost to buy cookies at a local bakery.

What is the unit rate for the cost of cookies?

Mathematical Equivalence

ON