Constant of Proportionality Graphs Tables

Is this graph proportional?

• Yes

• No

• Sometimes

• Both

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

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

• x

• 14

• y

What makes a graph proportional?

• A straight line (linear) that goes through the origin

• Linear (straight line), that does NOT go through the origin.

 

Which graph shows a proportional relationship?

• 
• 
• 
• 

How much water was used in 9 minutes?

• 45

• 46

• 44

• 47

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked

  is the unit rate

• $500 is earned for every 8 hours worked

• $300 is earned after working 4 hours

What is the ordered pair that represents the unit rate?

• (2,30)

• (1,15)

• (15,1)

• (6,40)

Describe the two key features of the graph of a proportional relationship.

• Straight line

• Curved line

• Through the origin

• Not through the origin

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No