Proportional Relationships from Tables and Graphs

Select all tables that show a proportional relationship.

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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.

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

• 3.5

• 7

• 8

• 28

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

Which equation matches the table?

• y =4 x + 7

• y = 1/4x +11

• y = 4x -11

• y = 11x + 4

Does this graph show a proportional relationship?

• Yes, because it is linear

• Yes, because it is linear and goes through the origin.

• No, because it is not linear

• No, because it does not go through the origin.

Proportional relationships must go through the origin. (0,0)

• True

• False

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Which graph shows a proportional relationship between x and y?

• F

• G

• H

• J