Proportionality Test Review

Why does this graph show a non-proportional relationship?

• Because it is proportional
• It goes through the origin
• It does not go through the origin
• It is a straight line

Does the table represent a proportional relationship?

• Yes.
• No.

The point (0, 0) is called the origin.

• True
• False

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Is this table proportional?

• Yes
• No

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Is the graph proportional?

• Proportional

• nonproportional

Is the graph proportional or non proportional?

• Proportional

• Non proportional