Identifying Nonproportional Linear Relationships

What characteristic of a graph indicates a nonproportional relationship?

• The line touches the origin.

• The line is curved.

• The line does not touch the origin.

• The line is horizontal.

In the equation y = mx + b, what does the 'b' represent?

• The slope of the line.

• The point where the line crosses the Y-axis.

• The constant rate of change.

• The point where the line crosses the X-axis.

What is the entrance fee for the Mountain World theme park in the example problem?

• $28

• $24

• $20

• $2

If you buy 4 tickets at the theme park, what is the total cost?

• $24

• $28

• $32

• $36

What is the total cost if you buy 6 tickets at the theme park?

• $24

• $28

• $36

• $32

What is the total cost if you buy 8 tickets at the theme park?

• $28

• $24

• $32

• $36

What does the graph look like when you plot the ordered pairs from the table?

• A vertical line

• A horizontal line

• A straight line

• A curved line

What is the rate of change in the theme park example?

• $4 per ticket

• $3 per ticket

• $2 per ticket

• $1 per ticket

What is the simplified rate of change for the values in the table?

• 4

• 2

• 1

• 3

Why is the relationship between the number of tickets and total cost not proportional?

• The values are all the same.

• The line passes through the origin.

• The values are not the same and the line does not pass through the origin.

• The line is horizontal.