Review Scales, Slope and Proportional Relationships

Does the table represent a proportional relationship?

• Yes.
• No.

Does the table represent a proportional relationship?

• Yes.
• No.

• proportion

• constant of proportionality

• variable 

• k means kool

In this graph, what is the constant of proportionality?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

A car travels 420 miles in 8 hours. If the car continues at the same rate, how far will it travel in 12 hours?

• 630 miles

• 0.23 miles

• 280 miles

• 540 miles

What makes a graph proportional?

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

Does this table represent a proportional relationship?

• Yes
• No

Does this equation represent a proportional relationship?

• Yes
• No

Is this graph proportional?

• Yes
• No