Proportional Relationships Graph Table Equation

Is this graph proportional?

• Yes

• No

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

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Is this table proportional?

• Yes

• No

Does the table show a proportional relationship?

• Yes

• No

What makes a graph proportional?

• Straight line

• A curve that goes through the origin

• A curve

• Straight line that goes through the origin

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

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 equation would math this proportional relationship?

• y = 45x

• y = 15x

• y = 30x

• y = 20x

What is the unit rate for the table?

• $1 / 3 watermelon

• $3 / 1 watermelon

• 1/3 watermelon / pound

• $0.33 / 1 watermelon