Proportional Relationships from Graphs and Tables

Select all true statements about proportional relationships.

• A proportional relationship's graph will go through the origin.

• A proportional relationship's equation will have addition or subtraction.

• A proportional relationship's equation will have multiplication.

• A proportional relationship's table of data will be full of equivalent ratios.

• A proportional relationship has a contant of proportionality.

Select all graphs that show a proportional relationship.

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Is vehicle u or v traveling at a faster rate?

• Vehicle u is traveling faster than vehicle v

• Vehicle v is traveling faster than vehicle u

Select all tables that show a proportional relationship.

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What is the constant of proportionality for the relationship on the graph?

• 3.5

• 7

• 8

• 28

Which graph shows a proportional relationship between x and y?

• F

• G

• H

• J

What is the constant of proportionality between the number of pages read and the number of hours spent reading?

• 45 pages per hour

• 90 pages per hour

• 135 pages per hour

• 270 pages per hour

If a line was drawn through the points, why would this line show a proportional relationship?

• It is not curved

• It is a vertical line

• It connects all the dots

• It goes through the origin

Harriet uses 3/4 of a cup of brown sugar per batch of cookies she makes. Which graph shows the relationship between the batches of cookies (x) and the cups of brown sugar needed (y)?

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Which equation matches the table?

• y =4 x + 7

• y = 1/4x +11

• y = 4x -11

• y = 11x + 4