Unit 2 Proportional Relationships Basics

How can you tell if the table represents a proportional relationship?

• Divide all the y and x terms. (2nd column/first column) and see if the number is constant.

• Look at the graph and see if it is a straight line that goes through the origin (0,0)

Does the table shown here represent a proportional relationship?

If so what is the constant of proportionality (k).

• No, it is not proportional

• I do not know how to identify a proportional relationship table.

How do you know if an equation represents a proportional relationship?

• It has no adding or subtracting in it.

• It does not have variables being raised to an exponent.

• I do not know how to identify a proportional equation.

• Not Proportional

• Not Proportional

• Not Proportional

How can you identify if a graph represents a proportional relationship.

• The graph forms a straight line that goes through the origin (0,0).

• The graph is a horizontal straight line.

• The graph is a line that is straight up and down.

Does the graph represent a proportional relationship?

• No

• Yes

Does the graph represent a proportional relationship?

• No

• Yes

Does the graph represent a proportional relationship?

• No

• Yes