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This graph shows a proportional relationship.

What is the constant of proportionality?

Enter your answer as a decimal in the box.

This graph shows a proportional relationship. What is the constant of proportionality-example-1
User Mamatv
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2 Answers

4 votes
3.18 is the answer to the question
User Alexi
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2 votes

Answer: 13.8

Explanation:

Divide y over x for any of the two points given

  • y/x = 27.60/2 = 13.8
  • y/x = 82.80/6 = 13.8

You only need to do one calculation, but you can do both to get practice.

Extra info:

  • The equation of this line is y = 13.8x
  • The 13.8 represents the slope of the line. In this case, it's Fred's wage. He earns $13.80 per hour.
  • All direct proportion equations go through the origin (0,0)
User Orafaelreis
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