Question

Using a Graph to Find the Constant of Proportionality

A graph titled Cost of Tires has Number of Tires on the x-axis and Price of Tires on the y-axis. 2 tires are 80 dollars, 4 tires are 160 dollars, 6 tires are 240 dollars, 8 tires are 320 dollars.

This graph shows a proportional relationship.
What is the constant of proportionality

Answer 1

40

Explanation:

A graph titled Cost of Tires has Number of Tires on the x-axis and Price of Tires on the y-axis. 2 tires are 80 dollars, 4 tires are 160 dollars, 6 tires are 240 dollars, 8 tires are 320 dollars.

This graph shows a proportional relationship.

What is the constant of proportionality?

2

40

80

320

Answer 2

Answer:40

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