Homework: Proportional Relationships

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Why does this graph NOT show a proportional relationship?

• The line is not straight

• The values are not odd numbers

• It does not go through the origin

Using the graph above, determine the constant of proportionality OR unit rate.

• k = 25

• k = 50

• k = 60

• k = 15

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.

What makes a graph proportional?

• Unequal values

• A line that goes through the x- axis

• Curvy line

• Straight line and the line goes through the origin

Proportional or not proportional

• Not proportional

• Proportional

What equation represents the constant of proportionality, or UNIT RATE?

• y=3x

• y=4x

• y=8x

• y=12x

Which graph represents a proportional relationship between x and y?

• 
• 
• 
• 

Is the graph proportional or non-proportional?

• Proportional

• Not Proportional

Is the graph proportional or non-proportional?

• Proportional

• Not Proportional