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Michigan Merit Exam - Math: Power Functions Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. When x = 40, y = 45. If x and y vary directly, what is the constant of variation?

Question 2 2. If the constant of variation is 0.38 and x equals 15, what does y equal if they vary inversely?

Question 3 3. Which of the following formulas shows an inverse variation?

Question 4 4. Choose the answer that best describes the function of this graph.
    • Select the best answer choice that describes the function of this graph.

Question 5 5. The colder it is, the longer it takes for ice to melt. If it takes 2 hours for ice to melt at 50 degrees, how long does it take for the ice to melt at 70 degrees?

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Question 6 6. Choose the answer that best describes the function of this graph.

Question 7 7. What is the constant of variation if y equals 10 when x equals 15 and they vary inversely?

Question 8 8. Choose the answer that best describes the function of this graph.
    • Look at the graph that is shown below. Which answer choice best describes the function of this graph?

Question 9 9. Which of the following equations shows a direct variation?

Question 10 10. x and y varies inversely. x equals 10 when y = 20. What does x equal when y = 40?

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Question 11 11. The hotter it gets, the more people go to the beach. If there are 120 people at the beach when the temperature is 80 degrees Fahrenheit, how many people will be at the beach when the temperature is 100 degrees Fahrenheit?

Question 12 12. If the constant of variation is 12 and y = 36, what does x equal?

Question 13 13. Choose the answer that best describes the function of this graph.

Question 14 14. Roger works at a flower shop and he notices that the more flowers people buy, the more chocolates are sold too. If Roger sells 45 chocolates when 90 flowers are sold, how many chocolates does he sell if 100 flowers are sold?

Question 15 15. Choose the answer that best describes the function of this graph.

Michigan Merit Exam - Math: Power Functions Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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