Choosing a method Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/choosing-a-method/quiz/

1. 1

   Choose a method: x² = 49. Find x.
   1. A) x = 7
   2. B) x = −7
   3. C) x = 7 or x = −7
   4. D) x = −7 or x = −7

2. 2

   Choose a method: x² + 2x − 8 = 0. Find x.

   Answer: ____________________

3. 3

   Choose a method: (x − 3)² = 16. Find x.
   1. A) x = 7
   2. B) x = −7 or x = −1
   3. C) x = 7 or x = −1
   4. D) x = −7 or x = 1

4. 4

   Choose a method: 2x² = 32. Find x.

   Answer: ____________________

5. 5

   Choose a method: x² + x − 12 = 0. Find x.
   1. A) x = −3 or x = 4
   2. B) x = −3 or x = −4
   3. C) x = 3 or x = −4
   4. D) x = 3

6. 6

   Choose a method: 2x² + 4x − 6 = 0. Find x.

   Answer: ____________________

7. 7

   Choose a method: (x + 2)² = 5. Find x.
   1. A) x ≈ 0.24 or x ≈ −4.24
   2. B) x ≈ 0.24
   3. C) x ≈ −0.24 or x ≈ 4.24
   4. D) x ≈ −0.24 or x ≈ −4.24

8. 8

   Choose a method: x² = 4x + 21. Find x.

   Answer: ____________________

9. 9

   Choose a method: 4x² − 9 = 0. Find x.
   1. A) x = 32
   2. B) x = 32 or x = −32
   3. C) x = −32
   4. D) x = −32 or x = −32

10. 10

    Choose a method: 5x² + 2x − 1 = 0. Find x.

    Answer: ____________________