Solving f Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/solving-f/quiz/

1. 1

   f(x) = 2x − 3, find x when f(x) = 7
   1. A) x = 5
   2. B) x = 2
   3. C) x = 11
   4. D) x = 7

2. 2

   f(x) = 3x + 1, find x when f(x) = 13

   Answer: ____________________

3. 3

   f(x) = 4x, find x when f(x) = 20
   1. A) x = 54
   2. B) x = 5
   3. C) x = 20
   4. D) x = 80

4. 4

   f(x) = 2x + 6, find x when f(x) = 6

   Answer: ____________________

5. 5

   f(x) = 3x + 4, find x when f(x) = −2
   1. A) x = 2
   2. B) x = −2
   3. C) x = −23
   4. D) x = −6

6. 6

   f(x) = 3x − 7, find x when f(x) = −1

   Answer: ____________________

7. 7

   f(x) = 4x + 3, find x when f(x) = 5
   1. A) x = 23
   2. B) x = 5
   3. C) x = 2
   4. D) x = 12

8. 8

   f(x) = x² + 2, find x when f(x) = 27

   Answer: ____________________

9. 9

   f(x) = 3x² − 2, find x when f(x) = 25
   1. A) x = 3
   2. B) x = −3 or x = −3
   3. C) 1873
   4. D) x = 3 or x = −3

10. 10

    f(x) = x² − 2x, find x when f(x) = 8

    Answer: ____________________