Lesson 4 Check for Understanding

Multiple Choice

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Multiple Choice

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

Multiple Choice

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Multiple Choice

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Multiple Choice

What was Brian's unit rate?

• 3/2 word per minute
• 30 minutes per word
• 60 minutes per word
• 30 words per minute

Multiple Choice

According to the graph above, 5 bags of luggage weighs 150 pounds.

• True
• False

Multiple Choice

The constant of proportionality in the equation y = 5x is _______. 

• x
• 5

• 1/2
• 2

Multiple Choice

Is this graph proportional?

• Yes

• No