# Exponentiation & Rational Numbers Chapter Exam - Exam Results

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 "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. Multiply the following expressions:

#### Question 2 2. Divide the following expressions:

#### Question 3 3. In an exponential function, the exponent is which one of the following?

#### Question 4 4. 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 5 5. Solve for x.

### Page 2

#### Question 6 6. Solve for x.

#### Question 7 7. Evaluate |r + s| - (r + s) when -s = r + 8.

#### Question 8 8. If a question requires us to know the value of y - x, but all we know is that x + 2 = y, what can we do to solve?

#### Question 9 9. Solve:

#### Question 10 10. Solve:

### Page 3

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

#### Question 12 12. Which part of the logarithmic expression shown is the base?

####
Question 13
13.
Which of these are examples of real numbers?

i. any number that is not imaginary.

ii. numbers that do not include ∞ and √(-1)

iii. examples include -3, 2.71, 4/5, and √2

#### Question 14 14. Which term is the radicand in this expression?

#### Question 15 15. In exponential growth, _____, while in exponential decay, _____.

### Page 4

#### Question 16 16. Which of the following equations represents an exponential decay?

#### Question 17 17. Subtract and simplify.

#### Question 18 18. Subtract and simplify.

#### Question 19 19. Which symbol is used to represent absolute value?

#### Question 20 20. Evaluate |5 - 3| + 4|3 - 5|

### Page 5

#### Question 21 21. Solve the equation: |2x - 5| = 5.

#### Question 22 22. Solve the equation: |3x - 9| = 27.

#### Question 23 23. Solve the following equation: √(x-2) = 4.

#### Question 24 24. Solve the following equation: √(2x) = 1.

#### Question 25 25. Divide the following expressions:

### Page 6

#### Question 26 26. Which of the following represents the equation for an exponential function?

#### Question 27 27. Solve for x.

#### Question 28 28. If a question requires us to know the value of |2x + y|, but all we know is that |x + y| = 5, what can we do to solve?

#### Question 29 29. Solve:

#### Question 30 30. Which of the following expressions are equivalent to each other?

#### Exponentiation & Rational Numbers 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 "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!