Proportional relationships

What equation models the relationship between x and y?

What equation models the relationship between x and y?

Is the following table proportional or nonproportional?

• Proportional

• Nonproportional

• Not Sure

Is the following graph proportional or nonproportional?

• Proportional

• Nonproportional

• Not Sure

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

Which of the following is an equation for this relationship?

• y=90x

• y=25x

• y=45x

• y=2x

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Identify the constant of proportionality. Write your answer as y=kx

• y=14x

• y=7x

• y=2x

• y=6x

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

This line is...

• Proportional
• Non-Proportional