The discriminant Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/the-discriminant/quiz/

1. 1

   How many solutions x² + 4x + 3 = 0
   1. A) 16 real solutions
   2. B) 2 real solutions
   3. C) 4 real solutions
   4. D) 3 real solutions

2. 2

   How many solutions x² − 5x + 4 = 0

   Answer: ____________________

3. 3

   How many solutions x² − 3x − 10 = 0
   1. A) −10 real solutions
   2. B) 2 real solutions
   3. C) 9 real solutions
   4. D) −2 real solutions

4. 4

   How many solutions x² + 2x + 5 = 0
   1. A) Yes
   2. B) No

5. 5

   Discriminant of 4x² − 20x + 25 = 0
   1. A) 1 real solution
   2. B) 0 real solution
   3. C) −1 real solution
   4. D) 25 real solution

6. 6

   How many solutions x² + 3x + 1 = 0

   Answer: ____________________

7. 7

   How many solutions x² − 7 = 0
   1. A) 0 real solutions
   2. B) 2 real solutions
   3. C) −2 real solutions
   4. D) −7 real solutions

8. 8

   Discriminant of 5x² − 2x + 1 = 0
   1. A) Yes
   2. B) No

9. 9

   How many solutions −x² + 4x − 4 = 0
   1. A) 4 real solution
   2. B) 0 real solution
   3. C) 1 real solution
   4. D) −1 real solution

10. 10

    How many solutions 4x² + 12x + 9 = 0

    Answer: ____________________