IXL | Interpret graphs of proportional relationships

When a truck full of boxes arrives at the Silvergrove Post Office, Miguel unloads the truck by placing the boxes on a conveyor belt. Miguel's coworkers are impressed with how fast Miguel does his job.

The graph shows the proportional relationship between the time (in minutes) Miguel spends unloading the truck,

and the number of boxes he unloads from the truck,

What does the point

(

)

represent?

In 1 minute, Miguel unloads 5 boxes from the truck.

In 5 minutes, Miguel unloads 1 box from the truck.

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Learn with an example

question

Kristen's favorite book is about Johnny Appleseed, the American pioneer who planted apple trees all across the country. Inspired by the story, Kristen plants an apple seed in her backyard and tends the seed as it slowly grows into a tree.

The graph shows the proportional relationship between the age of Kristen's apple tree (in years),

and the height of the tree (in feet),

What does the point

(

)

represent?

When Kristen's apple tree is 8 years old, it is 10 feet tall.

When Kristen's apple tree is 10 years old, it is 8 feet tall.

solution

The point

(

)

has

x-coordinate

10 and

y-coordinate

In this relationship, x represents the age of Kristen's apple tree (in years), and y represents the height of the tree (in feet). So,

(

)

represents this statement:

When Kristen's apple tree is 10 years old, it is 8 feet tall.

Looking for more? Try these:

Lesson: Proportional relationships

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Lesson: Proportional relationships

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