Linear vs No Linear Graphs

What is the y-intercept in the following equation:  y=-4x-5

• -4

• -4x

• 5

• -5

Is the graph proportional or non-proportional?

• Proportional

• Non-Proportional

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

Determine if the linear relationship is proportional or nonproportional. 

• Proportional

• Nonproportional

• Neither

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.

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

Which best describes the graph represented in this table?

•  proportional

• non-proportional