Constant Proportionality on Tables, Equations, and Graphs

• y = 1/5x

• y = 5x

• y = 1/2x

What is the constant of proportionality? Use the format k = 2.

Is the graph proportional?

• Yes

• No

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x

Select all graphs that represent a proportional relationship.

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Write the equation of the proportional relationship using the format y = kx.

Write the equation of the graph. Use the format y = kx.

Is the graph proportional?

• Yes

• No

Write an equation for the relationship between x and y. Use format y = kx.

Select all equations that represent proportional relationships.

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