Copyright

ACT Math - Exponentials and Logarithms: Help and Review 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!

Page 1

Question 1 1. Which of the following is an exponential function?

Question 2 2. Which logarithmic property is shown below?

Question 3 3. Evaluate the following.

Question 4 4. Solve the following equation for x.

Question 5 5. Simplify the following expression.

Page 2

Question 6 6. Solve the exponential equation below for x:

Question 7 7. If the half life of carbon-14 is 5730 years, and you have a sample that has lost 80% of its carbon-14, how old is the sample?

Question 8 8. Evaluate the logarithm below to 2 decimal places.

Question 9 9. Evaluate the logarithm below:

Question 10 10. Solve, to 2 decimal places, the exponential equation below for x:

Page 3

Question 11 11. Use the following information to answer the question.

Question 12 12. Solve the following equation for y = f(x).

Question 13 13. Expand the following logarithm:

Question 14 14. Condense the logarithm below:

Question 15 15. Which pattern of numbers is exponential?

Page 4

Question 16 16. Which expression is equivalent to log having base = e?

Question 17 17. Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

Question 18 18. Evaluate the following.

Question 19 19. Evaluate the logarithm below:

Question 20 20. Solve the exponential equation below for x:

Page 5

Question 21 21. What does the quotient property of logarithms tell us to do?

Question 22 22. Evaluate the following.

Question 23 23. A colony of bacteria starts with 9 bacteria at noon. If the number of bacteria triples every 20 minutes, how many bacteria will be present at 2:40 pm that afternoon?

Question 24 24. You're saving up for a $16,000 car. If you put $6,000 in a bank account that gives you 12% interest each year, how many years, to 1 decimal place, will it take before you have enough money for the car?

Question 25 25. Simplify: ln(a*4*e/b).

Page 6

Question 26 26. Solve the exponential equation below for x:

Question 27 27. Simplify:

ACT Math - Exponentials and Logarithms: Help and Review 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!

ACT Prep: Help and Review  /  English Courses
Support