Finding all zeros Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/finding-all-zeros/quiz/

1. 1

   Find all zeros of f(x) = x³ − 2x² − 5x + 6
   1. A) x = −1 or x = 2 or x = −3
   2. B) x = −1 or x = −2 or x = 3
   3. C) x = 1 or x = −2 or x = 3
   4. D) x = 1

2. 2

   Find all zeros of f(x) = x³ − 7x + 6

   Answer: ____________________

3. 3

   Find all zeros of f(x) = x³ − 4x² + x + 6
   1. A) x = −1
   2. B) x = −1 or x = 2 or x = 3
   3. C) x = 1 or x = −2 or x = −3
   4. D) x = 1 or x = 2 or x = 3

4. 4

   Find all zeros of f(x) = x³ + x² − 4x − 4

   Answer: ____________________

5. 5

   Find all zeros of f(x) = x³ + 4x² + x − 6
   1. A) x = 1
   2. B) x = −1 or x = 2 or x = 3
   3. C) x = 1 or x = −2 or x = −3
   4. D) x = −1 or x = −2 or x = −3

6. 6

   Find all zeros of f(x) = x³ + 6x² + 11x + 6

   Answer: ____________________

7. 7

   Find all zeros of f(x) = x³ − 2x² − 9x + 18
   1. A) x = 2
   2. B) x = −2 or x = −3 or x = 3
   3. C) x = 2 or x = 3 or x = −3
   4. D) x = 3

8. 8

   Find all zeros of f(x) = x³ − 5x² + 2x + 8

   Answer: ____________________

9. 9

   Find all zeros of f(x) = 2x³ + x² − 13x + 6
   1. A) x = 2 or x = 12 or x = −3
   2. B) x = −2 or x = 12 or x = −3
   3. C) x = 2
   4. D) x = −2 or x = −12 or x = 3

10. 10

    Find all zeros of f(x) = 2x³ − 5x² − x + 6

    Answer: ____________________