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NY Regents - Problems with Exponential Expressions: 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.

Simplify

(a^2)*(a^7)*(b^3)

Question 2 2. Which of these equations correctly represents the following scenario: In her prime, 40 million people knew who Britney Spears was, but that number has been decreasing by 10% each year. So, since 90% of people still recognize her each year, how many people still know who Britney is each year?

Question 3 3. Solve the exponential equation below for x:

Question 4 4.

Simplify

x2/x-3

Question 5 5.

Simplify

(y^4)*(y^4)

Page 2

Question 6 6. Which operations listed are performed together from left to right?

Question 7 7.

Simplify

25/22

Question 8 8. Solve:

Question 9 9.

Simplify

(a^2)*(a^7)*(b^3)

Question 10 10. Which statement is TRUE about multiplying exponential expressions?

Page 3

Question 11 11. Solve the exponential equation below for x:

Question 12 12.

Simplify

(3^4)*(2^3)

Question 13 13. Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

Question 14 14. Which pattern of numbers is exponential?

Question 15 15. Simplify

Page 4

Question 16 16. 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 17 17. Simplify

Question 18 18. Solve, to 2 decimal places, the exponential equation below for x:

Question 19 19. Solve

Question 20 20. Which of the following is true when dividing expressions with exponents?

Page 5

Question 21 21. Solve the exponential equation below for x:

Question 22 22. Which operation comes second in the order of operations?

Question 23 23. Solve

Question 24 24. Every year a laptop is worth 1/3 of what it was worth each year previous. If you have a $600 laptop, how much is it worth after 15 years?

Question 25 25. 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?

Page 6

Question 26 26. Which of the following equations represents an exponential decay?

Question 27 27. If f(x) = abx, f(2) = 480 and f(5) = 30,720, then a = _____.

Question 28 28. Which of the following is an exponential function?

Question 29 29.

Simplify

(5^6)*(5^-4)

NY Regents - Problems with Exponential Expressions: 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!

NY Regents Exam - Integrated Algebra: Help and Review  /  Math Courses
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