# Arithmetic with Rational Expressions Chapter Exam

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!

### Page 1

#### Question 1 1. If the constant of variation is 0.38 and x equals 15, what does y equal?

#### Question 2 2. Which of the following formulas shows an inverse variation?

#### Question 3 3. Multiply the following expressions:

#### Question 4 4. Solve for x.

#### Question 5 5. Divide the following rational expressions.

### Page 2

#### Question 6 6. 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 7 7. Divide the following rational expressions.

#### Question 8 8. Subtract the following rational expressions.

#### Question 9 9. 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?

#### Question 10 10. Subtract and simplify.

### Page 3

#### Question 11 11. Divide the following rational expressions.

#### Question 12 12. Add the following rational expressions.

#### Question 13 13. Solve for x.

#### Question 14 14. x and y varies inversely. x equals 10 when y = 20. What does x equal when y = 40?

#### Question 15 15. Simplify.

### Page 4

#### Question 16 16. Multiply the following expressions:

#### Question 17 17. Solve for x.

#### Question 18 18. If the constant of variation is 12 and y = 36, what does x equal?

#### Question 19 19. Simplify.

#### Question 20 20. Multiply the following rational expressions.

### Page 5

#### Question 21 21. Simplify.

#### Question 22 22. What is the reciprocal of 9/8?

#### Question 23 23. Add the following rational expressions.

#### Question 24 24. Simplify.

#### Question 25 25. Solve for x.

### Page 6

#### Question 26 26. Which of the following equations shows a direct variation?

#### Question 27 27. 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 28 28. Simplify.

#### Question 29 29. What is the reciprocal of 1/45?

#### Question 30 30. Add the following rational expressions.

#### Arithmetic with Rational Expressions 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!