Proportionality

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional

What is the Constant of Proportionality?

• k=46
• k=92
• k=0.2
• not proportional

Mason ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

• 400 miles per hour
• 9 miles per hour
• 20 miles per hour
• 6.67 miles per hour

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Which equation matches the given graph?

• y=0.45x
• y = ²/₅x
• y = 4x
• k = ¼

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

A graph is proportional if...

• It is straight

• It passes through the origin

• Its straight and it passes through the origin

How do you find the constant of proportionality for a graph?

• Pick a point on the line and use the formula x/y

• Pick a point on the line and use the formula y/x

Does this graph show a proportional relationship?

• Yes, because it is straight

• Yes, because it goes through the origin

• Yes, because it is straight and goes through the origin

• No, it is not