Linear vs Non Linear Relationships

• Nonlinear

• Quadratic

• Linear

Which statement best describes the relationship between x (dogs) and y(paws) in the table?

• Proportional

• Not Proportional

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

The table shows the distance of a train from a station and the time it will take to arrive. The relationship is linear. Is it proportional or nonproportional?

• Proportional

• Nonproportional

• Neither

• Both

What does the y-intercept represent?

• It costs $30 for each mile drive.

• There is an initial charge of $30 for the moving van.

• There is an initial charge of $2 for the moving van.

• It costs $1 for every 2 miles driven.

Write an equation for this relationship.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

Which graph is non-proportional?

• A

• B

• C

• D

Which equation represents a non-proportional linear equation?

• y = mx

• y/x = m

• y = mx+b

• All of them

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

Which best describes the graph represented in this table?

•  proportional

• non-proportional