Proportional Relationships from Word Problems

A fence post that is 2 meters tall casts a shadow 5 meters long. At the same time a tree casts a shadow 108 meters. How tall is the tree?

• 33.2 meters

• 332 meters

• 43.2 meters

• 432 meters

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

• y = 1/5x

• y = 5x

• y = 1/2x

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

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

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

What is the constant of proportionality? Use the format k = 4.

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

Is the graph proportional?

• Yes

• No

Newtown middle school spends 11 dollars on every yearbook it buys. Is the amount of money NMS spends on yearbooks proportional to the total number of yearbooks NMS buys?

• Yes

• No