Proportional Relationships, Graphs and Coordinates

If the relationship between x and y is proportional, what point on the line will indicate the unit rate of that relationship?

• (2, p)

• (0.3, s)

• (2.8, g)

• (1, w)

According to the information given on the graph, how much would 20 boards cost?

• $200

• $400

• $80

• $120

Does the graph represent a proportional relationship? Make sure to explain your answer

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A snail moving at a constant rate traveled a distance of 2 feet in 1/2 hour. Create a graph to represent y, the number of feet the snail traveled in x hours. Select two points on the coordinate grid that represent the situation.

The Bountiful Harvest Festival awarded Kimberly and her dad first prize for their garlic fries last year, so they're making them again this year. The key to their success is using fresh potatoes. It takes Kimberly 4 minutes to peel each potato. There is a proportional relationship between the number of potatoes Kimberly peels, x, and the amount of time (in minutes) it takes to peel that many potatoes, y. Graph this relationship. Select two points to draw a line.

Graph the equation

y=3/5x

The Bountiful Harvest Festival awarded Kimberly and her dad first prize for their garlic fries last year, so they're making them again this year. The key to their success is using fresh potatoes.

It takes Kimberly 4 minutes to peel each potato.

There is a proportional relationship between the number Kimberly peels, x, and the amount of time (in minutes) it takes to peel that many potatoes, y.

Graph this relationship.

Select two points to draw a line.

Graph the equation

y=3x