Direct Variation Quiz

True or False: A proportional relationship is when two quantities have a constant rate.

• True

• False

• constant of variation

• proportional relationship

• constant of proportionality

• non-proportional relationship

What is another name for proportional relationship?

• y-intercept

• direct variation

• slope

• nonproportional relationship

Which equation can represent a proportional relationship?

select all that apply

Does this table represent a proportional relationship? If so, what is the constant of proportionality?

Does this table represent a proportional relationship? If so, what is the constant of proportionality?

Select all true statements about the graph shown.

• It is a straight line.

• The line does not go through the origin.

• This graph represents a nonproportional relationship.

• This graph represents a proportional relationship.

Select all true statements about the graph shown.

• It is a straight line.

• The line does not go through the origin.

• This graph represents a nonproportional relationship.

• This graph represents a proportional relationship.

If it took the bus 3 hours to drive 156 miles, identify the constant of variation and write an equation to represent the relationship.