Proportional Relationships Review

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

Is this table proportional?

• yes
• no

Determine the missing value in the table.

• 15
• 3
• 1/3
• 9

Based on the graph, Which of the following statements is TRUE?

• I drove 80 miles every 4 hours

• I drove 160 miles in an hour

• I drove 80 miles every 2 hours

• I drove 240 miles in 4 hours

Using the graph above, determine the constant of proportionality.

• k = 0
• k = 1
• k = 3
• k = 6

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because the line is straight

• The graph is proportional because it is straight and passes through the origin

• The graph is not proportional because it does not pass through the origin.
• The graph is not proportional because it is not straight and it does not pass through the origin

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.
• After 94 weeks, they save $2.
• After 1 week, they save $47.
• After 2 weeks, they save $94.

• 117

• 58

• 172.05

• 18.5

Proportional?

• Yes

• No