Asked by myworldwha


Equations of Proportional Relationships Quick Check
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Question
For the direct variation equation y=2 2/3x, what is the constant of proportionality?(1 point)
Responses

2 2/3
2 Start Fraction 2 over 3 End Fraction

2/3
Start Fraction 2 over 3 End Fraction

2
2

3
3
Answered by myworldwha
The equation y=7x gives the relationship between the number of road projects, x, and the number of weeks it takes a crew of workers to complete all the projects, y. What is the constant of proportionality? What does it mean in this context?(1 point)
Responses

The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete 1 road project.
The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete 1 road project.

The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete all of their road projects.
The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete all of their road projects.

The constant of proportionality is 7. It takes the crew of workers 7 days to complete 1 road project.
The constant of proportionality is 7. It takes the crew of workers 7 days to complete 1 road project.

The constant of proportionality is 7. It takes the crew of workers 7 days to complete all of their road projects.
Answered by myworldwha
Write a direct variation equation to find the number of miles a jet travels in 3 hours if it is flying at a rate of 600 mph.(1 point)
Responses

y=600/3
y equals Start Fraction 600 over 3 End Fraction

3=600x
3 equals 600 x

600=3x
600 equals 3 x

y=600×3
Answered by myworldwha
Question
A tiger sleeps 18 to 20 hours a day. How many hours will a tiger sleep in 7 weeks?(1 point)
Responses

2.5 to 2.9 hours
2.5 to 2.9 hours

882 to 980 hours
882 to 980 hours

126 to 140 hours
126 to 140 hours

 630 to 700 hours
Answered by myworldwha
Jamal earns $125,000 a year as a systems analyst. He wants to know how much he will earn if he continues at the same rate of pay for 7 years. Which equation will help him find this amount?(1 point)
Responses

125,000=7x
125,000 equals 7 x

y=125,000×7
y equals 125,000 times 7

x=125,000/7
x equals Start Fraction 125,000 over 7 End Fraction

125,000=7/x
125,000 equals Start Fraction 7 over x End Fraction
Answered by myworldwha
The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete 1 road project. - not selected, this is the correct answer

The constant of proportionality is 7. It takes the crew of workers 7 weeks to complete all of their road projects. - selected, wrong answer
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